1. Jāzeps Vītols Latvian Academy of Music, Riga, Latvia
2. Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung, Taiwan
3. Institute of Medical Science and Technology and the Department of Electrical Engineering, National Sun Yat-sen University, Kaohsiung, Taiwan
4. Department of Neurobiology and Biophysics, Vilnius University, Vilnius, Lithuania