[1] Univ Gadjah Mada, Fac Med Publ Hlth & Nursing, Dept Obstet & Gynecol, Yogyakarta, Indonesia
[2] Univ Gadjah Mada, Fac Med Publ Hlth & Nursing, Dept Pediat, Yogyakarta, Indonesia
[3] Univ Gadjah Mada, Fac Med Publ Hlth & Nursing, Yogyakarta, Indonesia