42 Providing an online network service that enables users to share data in the field of disease prevention, screening, diagnosis, treatment and recovery; providing medical and scientific research information in the field of pharmaceuticals and clinical trials; medical and scientific research information in the field of disease prevention, screening, diagnosis, treatment and recovery; computer services, namely, creating and hosting an on-line community for registered users to participate in discussions, get feedback from their peers, form virtual communities, and engage in social networking services in the field of disease prevention, screening, diagnosis, treatment and recovery