Accepted for Publication: August 1, 2013.
Published Online: May 7, 2014. doi:10.1001/jamasurg.2013.5676.
Study concept and design: Rossi, Pasquali, Macripò, Solari, Mocellin, Patuzzo, Ribero.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Rossi, Pasquali, Giudice, Mocellin, Ribero.
Critical revision of the manuscript for important intellectual content: Rossi, Mozzillo, Maurichi, Pasquali, Macripò, Borgognoni, Solari, Piazzalunga, Mascheroni, Mocellin, Patuzzo, Caracò, Ribero, Marone, Santinami.
Statistical analysis: Rossi, Pasquali, Giudice, Mocellin.
Obtained funding: Giudice.
Administrative, technical, or material support: Borgognoni, Ribero.
Study supervision: Maurichi, Macripò, Solari, Mascheroni, Patuzzo, Marone.
Conflict of Interest Disclosures: None reported.
Funding/Support: The study was supported by the Italian Melanoma Intergroup, the Italian network for melanoma treatment and research (http://www.melanomaimi.it).
Role of the Sponsor: The Italian Melanoma Intergroup had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: Valentina Rossi, MA, edited the manuscript and Marta Rotella, MS, provided project managing support. The contributors received no financial compensation.