Stefanis NC, Hatzimanolis A, Smyrnis N, Avramopoulos D, Evdokimidis I, Van Os J, Stefanis CN, Straub RE, Weinberger DR. Schizophrenia candidate gene ERBB4: covert routes of vulnerability to psychosis detected at the population level. Schizophrenia bulletin. 2011;39:349?357.