https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-019-0694-1 https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-019-0692-3 https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-019-0676-3 https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-019-0679-0 https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-019-0690-5 https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-019-0686-1 https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-019-0689-y https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-019-0672-7 https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-019-0691-4