1. Wee Kim Wee School of Communication and Information, Nanyang Technological University, Singapore, 31 Nanyang Link, Singapore 637718
2. Ministry of Communications and Information, 140 Hill Street, Old Hill Street Police Station, Singapore 179369
3. Harvard T.H. Chan School of Public Health and Dana-Farber Cancer Institute, 450 Brookline Avenue, LW 601, Boston, MA, USA, 02215