1. Department of Obstetrics and Gynecology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan.
2. Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan.
3. Department of Applied Mathematics, National Sun Yat-sen University, Kaohsiung, Taiwan.
4. Critical Care Center and Cardiovascular Medical Center, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan.
5. Department of Physical Therapy, Fooyin University, Kaohsiung, Taiwan.
6. School of Medicine, National Yang-Ming University, Taipei, Taiwan.
7. Department of Obstetrics and Gynecology, Yuan's General Hospital, Kaohsiung, Taiwan.
8. Multidisciplinary Science Research Center, National Sun Yat-sen University, Kaohsiung, Taiwan.
9. Da-Yeh University, Changhua, Taiwan.