1. Division of Palliative Care and Department of Internal Medicine, Tokai Central Hospital, 4-6-2 Sohara-Higashijima-cho, Kakamigahara 504-8601, Japan
2. Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Nagasaki International University, 2825-7 Huis Ten Bosch-cho, Sasebo 859-3298, Japan
3. Department of Pathology, Murakami Memorial Hospital, Asahi University, 3-23 Hashimoto-cho, Gifu 500-8523, Japan
4. Department of Pharmacy, Ogaki Municipal Hospital, 4-86 Minaminokawa-cho, Ogaki 503-8502, Japan
5. Division of Cytopathology, The Tokai Cytopathology Institute: Cancer Research and Prevention (TCI-CaRP), 5-1-2 Minami-Uzura, Gifu 500-8285, Japan
6. Department of Tumor Pathology, Graduate School of Medicine, Gifu University, Gifu 501-1194, Japan