1. University of the Philippines; Department of Surgery; Manila Philippines
2. University of Northern British Columbia; School of Nursing; 3333 University Way Prince George British Columbia Canada V7M 2A9
3. Hannover Medical School; Department of Obstetrics, Gynecology and Reproductive Medicine, Midwifery Research Unit; Carl-Neuberg-Straße 1 Hannover Germany 30625
4. Zhongnan Hospital of Wuhan University; Clinical Laboratory; 169 Donghu Road Wuhan Hubei Province China 430071
5. United Nations Population Fund; Asia and the Pacific Regional Office; 4th Floor, United Nations Service Building Rajdamnern Nok Avenue Bangkok Thailand 10200