definiens: means an interactive, one - on - one, meeting ( via face - to - face, teleconference, or videoconference ) inan individual or group practice setting, between one or more healthcare professionals having prescribing authority and oneAmgen ( or its Aﬃliate ’s ) sales representative during which uses, safety, eﬀectiveness, contraindications, side eﬀects, warnings or other relevant characteristics of the Product are discussed in an eﬀort to increase prescribing preferences ofthe Product for its approved uses . Details will not include ( i ) activities conducted by medical support staﬀ ( such as MedicalLiaisons ) or ( ii ) unless the Parties otherwise mutually agree in writing, activities conducted at conventions or similargatherings and activities performed by market development specialists, managed care account directors and otherpersonnel not performing interactive sales calls or not speciﬁcally trained with respect to a pharmaceutical product