system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
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• Monthly and quarterly attendance at status meetings, as appropriate, which may be via telephone, web based meeting/portal or face to face. EXHIBIT 3 TO AGREEMENT BETWEEN DOCTORDIRECTORY.COM, INC. AND MBRK PHARMACEUTICALS, INC. DATED FEBRUARY 3, 2010 PRESCRIBER DATA For purposes of this Agreement, Prescriber Data will be the prescription data for the activity within the U.S. for the USC Level 2 #15151 — Aminopenicillins category, in sufficient detail to identify periodic prescribing activity of MOXATAG. Such prescriber activity will be the basis for DD to calculate the Promotion Fees due as per Section 5 for the applicable Promotion Measurement Period. EXHIBIT 4 TO AGREEMENT BETWEEN DOCTORDIRECTORY.COM, INC. AND MBRK PHARMACEUTICALS, INC. DATED FEBRUARY 3, 2010 PROMOTION SOLUTIONS DD will provide promotional solutions to promote MOXATAG to DD Target Segment Prescribers as approved by MBRK. These services may include the following: eSampling Platform — DD has created an eSampling platform that provides eligible prescribers with a virtual sample closet. Eligible prescribers will be determined through an analysis of prescribers selected from the DD Target Segment. Only those prescribers who possess a valid state license to prescribe MOXATAG and practice in a clinical area consistent with MOXATAG's approved labeling will be eligible to receive MOXATAG samples. This closet will provide a vehicle for these prescribers to order MOXATAG samples utilizing business rules created by MBRK. DD will promote the availability of samples to agreed upon prescribers and all fulfillment of samples will be conducted by MBRK's designated sample fulfillment provider in accordance with MBRK policies and procedures. eLearning/eDetailing — DD may create an interactive learning platform that includes content of both an educational and promotional nature. All content would be consistent with MOXATAG's approved labeling and product positioning. The use of quizzes and interactive case presentations will be created to educate prescribers and promote interest in the eLearning platform. DD will link and/or incorporate a MOXATAG eDetail into the learning platform, if available. DD will attempt to use existing approved content for inclusion into the learning platform to expedite the MBRK approval process. All content will be as approved by MBRK. Educational Email — DD's philosophy is to use science to support the promotion of MOXATAG. Therefore, the promotional program could include a series of educational messages that focus on clinical results and studies. These messages may be non-branded or partially branded depending on the nature of the content and shall be consistent with MOXATAG's approved labeling. New educational messages may be created and added as a result of ongoing understanding of prescribers' attitudes and perceptions. All content shall be approved by MBRK. Direct-to-Physician Bulletin Services — Promotional emails may be used to communicate the primary, secondary and tertiary messages to the appropriate DD Target Segment Prescribers. The appropriate interval and frequency of messaging needed to ensure high response rates and interest level will be determined in consultation with MBRK. Promotional emails generally include one or more "calls-to-action" such as online sample offers, clinical data reprint offers, and links to product website, eLearning Platform and/or a product eDetail, if available. Promotional emails shall comply with the CAN-SPAM Act of 2003 (15 U.S.C. 7701 et. seq.). Physician Portal Promotions — DD may place MOXATAG-specific promotion in the DD Professional site within www.DoctorDirectory.com. Prescribers are required to logon or use an existing electronic communication to enter the site, which allows DD to target specific promotion to those prescribers whose practice area is consistent with MOXATAG's approved labeling. Promotion is in the form of rotating/flash tile ads and text links within the appropriate disease-state education and MOXATAG sample content areas. All Promotional Materials and their respective placement shall be approved by MBRK. Patient Portal Promotions — Where appropriate, DD may place standard banner ads on the DD website www.DoctorDirectory.com that can be made visible to patients researching physicians. The site can accommodate static and flash banners and business rules developed in conjunction with MBRK guide the number of ads served based upon the number of banner ads within the Directory. In addition to the Directory's landing page, banners can be also served within the appropriate prescriber search and return pages. Such banner ads will be linked only to those prescribers whose practice area is consistent with MOXATAG's approved labeling. All banner ads and their respective placement shall be approved by MBRK. Direct Mail Advertising — DD may use print mail to reach selected DD Target Segment Prescribers. Existing mail creative concepts may be used or if needed, DD may create new mail concepts in
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Extract the exact clause related to "Source Code Escrow" from the excerpt above.

assistant: Not found.