[1] Univ Groningen, Univ Med Ctr Groningen, Dept Hlth Sci, Hanzepl 1, NL-9700 RB Groningen, Netherlands
[2] Airlangga Univ, Dept Pharmacol & Therapy, Fac Med, Surabaya 60115, Indonesia
[3] Padjadjaran State Univ, Ctr Excellence Higher Educ Pharmaceut Care Innova, Bandung 45363, Indonesia
[4] Univ Groningen, Fac Econ & Business, Dept Econ Econometr & Finance, NL-9747 AE Groningen, Netherlands
[5] HelpAge Int, Yangon 11081, Myanmar
[6] HelpAge Int, Hanoi 1000, Vietnam
[7] Univ Sebelas Maret, Dept Publ Hlth, Fac Med, Surakarta 57126, Indonesia