1. Department of Physiology, Faculty of Medicine and Health Sciences, Universitas Muhammadiyah Yogyakarta, Jl. Ring Road Selatan, Yogyakarta 55183, Indonesia
2. Department of Physiology, Faculty of Medicine, Universitas Gadjah Mada, Jl. Farmako, Sekip Utara, Yogyakarta 55281, Indonesia