1. Stockholm Centre on Health of Societies in Transition (SCOHOST), Södertörn University, 141 89 Huddinge, Sweden, , Department of Global Health Policy, Graduate School of Medicine, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
2. Department of Social Sciences, Mid Sweden University, SE 831 25 Östersund, Sweden