Pontén A, Aalto-Korte K, Agner T, Andersen KE, Giménez-Arnau AM, Gonçalo M, Goossens A, Johansen JD, Le Coz CJ, Maibach HI, Rustemeyer T, White IR, Bruze M PMID: 23035891
Berardesca E, Farage M, Maibach H PMID: 22928591
Dika E, Patrizi A, Fanti PA, Alessandrini A, Sorci R, Piraccini BM, Vaccari S, Misciali C, Maibach HI PMID: 22849570