1. Graduate School of Public Health, St Luke’s International University, Tokyo 104-0044, Japan
2. Australian Research Centre in Sex, Health and Society, La Trobe University, Bundoora, VIC 3086, Australia
3. School of Nursing, Nagoya City University, Nagoya 467-8601, Japan
4. Graduate School of Social Systems, Kitakyushu University, Fukuoka 802-8577, Japan
5. NPO AKTA, Tokyo 160-0022, Japan
6. Kirby Institute, UNSW Sydney, Sydney, NSW 2052, Australia