Shen, X. ., Zhu, X. ., Wu, Y. ., Zhou, Y. ., Yang, L. ., Wang, Y. ., … Zhao, Q. . Effects of a psychological intervention programme on mental stress, coping style and immune function in percutaneous coronary intervention patients. PloS One, 13(1), e0187745. https://doi.org/10.1371/journal.pone.0187745 (Original work published 2018)