1. School of Medicine & Dentistry (Public Health), Griffith University , Gold Coast, QLD 4215 , Australia
2. Department of Medicine, Divine Word University , Madang Province 511 , Papua New Guinea
3. Graduate Infection Prevention and Control Program , School of Nursing and Midwifery, , Gold Coast, QLD 4215 , Australia
4. Griffith University , School of Nursing and Midwifery, , Gold Coast, QLD 4215 , Australia
5. Higher Degree Research , Health Group, School of Medicine and Dentistry (Public Health), , Gold Coast, QLD 4215 , Australia
6. Griffith University , Health Group, School of Medicine and Dentistry (Public Health), , Gold Coast, QLD 4215 , Australia