Additional file 1: of MAPLE-PD trial (Mesenteric Approach vs. Conventional Approach for Pancreatic Cancer during Pancreaticoduodenectomy): study protocol for a multicenter randomized controlled trial of 354 patients with pancreatic ductal adenocarcinoma HironoSeiko KawaiManabu OkadaKen-ichi FujiiTsutomu ShoMasayuki SatoiSohei AmanoRyosuke EguchiHidetoshi MatakiYuko NakamuraMasafumi MatsumotoIppei BabaHideo TaniMasaji KawabataYasunari NagakawaYuichi YamadaSuguru MurakamiYoshiaki ShimokawaToshio YamaueHiroki 2018 Institution list. (DOC 122 kb)