Padmawati, Retna Siwi, Department of Public Health, Faculty of Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia. (Indonesia)
Pijoh, Victor D, Parasitology Department, Faculty of Medicine, Sam Ratulangi University, North Sulawesi, Indonesia. (Indonesia)
Prabandari, Yayi S (Indonesia)
Pramono, Dibyo (Indonesia)