1. The Chinese University of Hong Kong; Department of Community and Family Medicine; Shop B5, Ning Yeung Terrace 78 Bonham Road, Ground Floor, The Mid-Levels, Hong Kong Hong Kong
2. St. Luke's Medical Center; Department of Dermatology; 12th floor, North Tower, Cathedral Heights Bldg.Complex 279 E. Rodriguez Sr. Boulevard Quezon City Metro Manila Philippines 1112
3. Romanian Family Doctors Collegium; Famiy Medical Office; Str. C. Brancusi Bl, A2, Sc. 3, Ap. 7 Craiova Dolj Romania
4. Free time independent Cochrane reviewer; Potomac MD USA
5. The Children's Mercy Hospital and Clinics; Department of Pediatrics; 2401 Giham Road Kansas City USA MO 64108
6. National Institute for Health and Care Excellence (NICE); Science Policy and Research; MidCity Place 71 High Holborn London UK WC1V 6NA
7. Messrs. Gary Lau & Partners; Unit 401, Golden Centre 188 Des Voeux Road Central Hong Kong Hong Kong