1. Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan 33302, Taiwan
2. Green Technology Research Center, Chang Gung University, Taoyuan 33302, Taiwan
3. Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, Linkou, Taoyuan 33305, Taiwan
4. Microelectronics Research Unit, University of Oulu, FI-90570 Oulu, Finland