definiens: means all costs and expenses associatedwith Commercialization activities pursuant to the Commercialization Plan, including without limitation, FTECosts, selling expenses, or other direct and indirect costs and expenses associated with marketing, shipping, packaging, storage and distribution of the Product for Commercialization in the Field, costs of warehousing, transportation, order entry, billing, shipping, credit and collection and other such activities in connection withProduct distribution ; costs for preparing and reproducing detailing aids, Product promotional materials andother promotional materials, costs of professional education, product related public relations, relationships withopinion leaders and professional societies, market research ( before and after product approval ), healthcareeconomics studies, Phase IV clinical trials, and other similar activities directly related to the Products and, ineach case, to the extent not previously deducted from gross invoiced amounts in determining Net Saleshereunder, the cost of activities related to obtaining reimbursement from payers, costs of sales and marketingdata, costs associated with sales representatives and training of the sales representatives, sales meetings, details, samples, sales call reporting, work on managed care accounts, in each case to the extent not included in FTECosts, costs related to customer service and other sales and customer service - related expenses, in each case asincluded in the Commercialization Plan and Commercialization Budget