The second author, Dr. Chun-Ming Chen, received a PhD degree in MRI technology from National Chung Hsing University in 2014. He is now working as a post-doctor research fellow and MRI technician at the Department of Medical Imaging, China Medical University Hospital. He has been working and studying fMRI relevant issues for over 19 years and has co-authored and published 42 articles in some high-quality SCI/SSCI journals regarding brain science. Cooperating with medical doctors, he has applied many cutting-age technologies, including the fMRI, to explore human brains in diverse populations and patients from various aspects. His most recent research is in assessing age-related gray matter differences in young adults with voxel-based morphometry techniques, published in the journal of Brain Sciences.