“…Central pancreatectomy and distal pancreatectomy were performed in 593 and 1226 patients, respectively. Of these 24 studies, five studies were performed in Japan [14][15][16][17][18], three each in China [19][20][21], USA [7,22,23], and Korea [24][25][26], two each in Germany [27,28] and Italy [29,30], one each in Taiwan [31], Spain [32], Netherlands [33], Romania [34], and France [35], and one combined study in USA and Italy [36]. Among them, two studies were prospective [28,32] and others were retrospective.…”