https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-018-0549-1
https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-018-0551-7
https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-018-0547-3
https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-018-0552-6
https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-018-0548-2
https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-018-0550-8