... Virchow Klinikum, Universitätsmedizin Berlin, Germany and 2Department of Hepatobiliary Surgery, Shandong Provincial Hospital, Clinical College of Shandong University, Jinan, PR ChinaEmail: ... emerging as a safe and effective option with a low risk for development of exocrine and/ or endocrine insuffi-ciency. TP is not as risky as it was years before and cannowadays safely be performed, ... competing interests.Authors' contributionsMG gave substantial contributions to conception and design, analysis and interpretation of data, has beeninvolved in drafting and revising the...