Wospakrik, Hans J., Departemen Fisika, Institut Teknologi Bandung Ws., A. Hanafiah, Pusat Penelitian Teknik Nuklir (Batan)-Bandung, alumni Jurusan Farmasi ITB Wulandari, Erawati, Department of Public Dental Health, Faculty of Dentistry, Jember University, Jl. Kalimantan 37, Jember 68121