definiens: means all costs and expenses associated withCommercialization activities pursuant to the Commer cialization Plan, including without limitation, FTECosts, selling expenses, or other direct and indire ct costs and expenses associated with marketing, sh ipping, packaging, storage and distribution of the Product for Commercialization in the Field, costs of wareho using, transportation, order entry, billing, shipping, cre dit and collection and other such activities in con nectionwith Product distribution ; costs for preparing and reproducing detailing aids, Product promotional mat erialsand other promotional materials, costs of professio nal education, product related public relations, relationships with opinion leaders and professional societies, market research ( before and after produ ctapproval ), healthcare economics studies, Phase IV c linical trials, and other similar activities direct ly related tothe Products and, in each case, to the extent not p reviously deducted from gross invoiced amounts indetermining Net Sales hereunder, the cost of activi ties related to obtaining reimbursement from payers, costsof sales and marketing data, costs associated with sales representatives and training of the salesrepresentatives, sales meetings, details, samples, sales call reporting, work on managed care accounts, in eachcase to the extent not included in FTE Costs, costs related to customer service and other sales and cu stomerservice - related expenses, in each case as included in the Commercialization Plan and CommercializationBudget