1. Institute of Polymer Science and Engineering, National Taiwan University, No. 1 Sec. 4 Roosevelt Road, Taipei 10617, Taiwan, R.O.C.
2. National Synchrotron Radiation Research Center, Hsinchu Science Park, No. 101 Hsin-Ann Road, Hsinchu 30076, Taiwan, R.O.C.
3. Research and Development Center for Medical Devices, National Taiwan University, No. 1 Sec. 4 Roosevelt Road, Taipei 10617, Taiwan, R.O.C.
4. Institute of Cellular and System Medicine, National Health Research Institutes, No. 35 Keyan Road, Miaoli 35053, Taiwan, R.O.C.