1. School of Physics, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, People’s Republic of China
2. College of Allied Health, National University, Manila 1008, Philippines
3. Department of Physics and Premier Research Institute of Science and Mathematics (PRISM), Mindanao State University−Iligan Institute of Technology, Tibanga Highway, Ilign City 9200, Philippines
4. Department of Physical Sciences and Mathematics, College of Marine and Allied Sciences, Mindanao State University at Naawan, Naawan, Misamis Oriental 9023, Philippines