1. Department of Materials Science and Engineering, Feng Chia University, No. 100, Wenhwa Road, Taichung City 40724, Taiwan
2. Functional Neurosurgery Division, Neurological Institute, Taichung Veterans General Hospital, No. 1650, Taiwan Boulevard Section 4, Taichung City 40705, Taiwan
3. Department of Rehabilitation, Jen-Teh Junior College of Medicine, Nursing and Management, No. 79-9, Sha-Luen Hu, Hou-Loung Town, Miaoli County 35664, Taiwan
4. Department of Education and Research, Taichung Veterans General Hospital, No. 1650, Taiwan Boulevard Section 4, Taichung City 40705, Taiwan
5. Department of Veterinary Medicine, College of Veterinary Medicine, National Chung Hsing University, No. 250, Kuo-kuang Road, Taichung City 40227, Taiwan
6. Department of Dental Technology and Materials Science, Central Taiwan University of Science and Technology, No. 666, Buzih Road, Beitun District, Taichung City 40601, Taiwan