“…This has been shown to be the case across different health care systems, such as in the US (Gandhi et al, 2000;Shen et al, 2015), Australia (Jefford et al, 2008;Lizama et al, 2015) and UK (Farquhar et al, 2005). In a study on the cooperation of urologists and oncologists (IBuTu-Interdisciplinary Health Care of Urological Tumours), we found that both formal and informal cooperation structures were considered important for a well-functioning cooperation relationship (Beermann, Chakkalakal, Muckelbauer, Weißbach, & Holmberg, 2014). In a study on the cooperation of urologists and oncologists (IBuTu-Interdisciplinary Health Care of Urological Tumours), we found that both formal and informal cooperation structures were considered important for a well-functioning cooperation relationship (Beermann, Chakkalakal, Muckelbauer, Weißbach, & Holmberg, 2014).…”