98 D istributed Cloud Computing: 107 N Architecture, Enabling Technologies, and Open Challenges Xuan-Qui Pham, Thien Huynh-The, Dong-Seong Kim, Tien-Dung Nguyen, and Eui-Nam Huh AHAP: PUF-Based Three Factor Authentication System for Internet of Medical Things Pintu Kumar Sadhu, Venkata Prasanth Yanambaka, Ahmed Abdelgawad, and Kumar Yelamarthihttps://sfiprogram.org/