1. Medical Physics & Informatics Lab., Department of Electronics Engineering; National Kaohsiung University of Applied Sciences; Kaohsiung
2. Department of Radiation Oncology; Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine; Kaohsiung
3. Department of Radiation Oncology; Chi Mei Medical Centre; Liouying Tainan
4. Department of Electronics Engineering; National Taipei University of Technology; Taipei Taiwan