Mao, W., Zhao, C., Ding, H., Liang, K., Xue, J., Chan, P., & Cai, Y. (2018). Pyrosequencing analysis of methylation levels of clock genes in leukocytes from Parkinson’s disease patients. Neuroscience Letters, 668, 115-119. https://doi.org/10.1016/j.neulet.2018.01.027 (Original work published 2018)