“…Professional boundaries were commonly identified as impeding collaboration between GPs and CPs (Bradley et al., ; Dey, de Vries, & Bosnic‐Anticevich, ; Dinnie, Bond, & Watson, ; Howard et al., ; Hughes & McCann, ; Kelly et al., ; Lalonde et al., ; Laubscher, Evans, Blackburn, Taylor, & McKay, ; Legault et al., ; Löffler et al., ; Maidment et al., ; Moore, Kennedy, & McCarthy, ; Pojskic et al., ; Pottie et al., ; Rieck & Pettigrew, ; Rieck, ; Rubio‐Valera et al., ; Sake, Wong, Bartlett, & Saini, ; Saw et al., ; Tan, Stewart, Elliott, & George, , ; Van, Costa, Mitchell, Abbott, & Krass, , , ; Van, Krass, & Mitchell, ; Van, Mitchell, & Krass, ; Varela et al., ; Weissenborn, Haefeli, Peters‐Klimm, & Seidling, ; Wustmann, Haase‐Strey, Kubiak, & Ritter, ; Zillich, McDonough, Carter, & Doucette, ). Professionals’ previous experience with collaboration and a lack of clarity regarding the roles and responsibilities of the GPs and CPs were the most common issues; followed by attitudes, feelings, hierarchy and power, and trust and respect.…”