1. Department of Preventive & Social Medicine, University of Medicine(2), Yangon 11031, Myanmr
2. Department of Public Health Laboratory, University of Public Health, Yangon 11131, Myanmar
3. Pasadena City College, Pasadena, California 91106-2003, USA
4. Freelance Researcher, Yangon 11091, Myanmar
5. ASEAN Institute for Health Development, Mahidol University, Salaya, Nakhon Pathom 73170, Thailand