Mariken Stegmann

Supplement 1: Literature search  We used four different MeSH and key term strings covering primary care, secondary care, written information  exchange and grading parameter (quality, opinion).  Search strategy MEDLINE:  ((((Primary Care[Title/Abstract] OR GP[Title/Abstract] OR primary health care[MeSH Terms] OR family practice[MeSH  Terms] OR family practice[Title/Abstract] OR family physician[Title/Abstract] OR family physicians[Title/Abstract] OR  general practitioners[MeSH Terms] OR general practitioner[Title/Abstract] OR general practitioners[Title/Abstract] OR  primary[Title/Abstract] OR general practice[MeSH Terms] OR general practice[Title/Abstract]))  AND  (secondary care[MeSH Terms] OR hospital‐based[Title/Abstract] OR hospital care[Title/Abstract] OR secondary care  centers[MeSH Terms] OR secondary care[Title/Abstract] OR specialist*[Title/Abstract] OR specialized[Title/Abstract] OR  specialised[Title/Abstract] OR consultants[MeSH Terms] OR consultant*[Title/Abstract])) AND  (correspondence as topic[MeSH Terms] OR correspondence[Title/Abstract] OR written communication[Title/Abstract]  OR writing[Title/Abstract] OR patient discharge summaries[MeSH Terms] OR health information exchange[MeSH Terms]  OR information exchange[Title/Abstract] OR discharge summaries[Title/Abstract] OR discharge summary[Title/Abstract]  OR information transfer[Title/Abstract] OR letter*[Title/Abstract]))  AND  (Quality[Title/Abstract] OR content[Title/Abstract] OR deficit*[Title/Abstract] OR deficienc*[Title/Abstract] OR  Value[Title/Abstract] OR contain[Title/Abstract] OR view[Title/Abstract] OR perspective*[Title/Abstract] OR  opinion*[Title/Abstract] OR assessment[Title/Abstract])  AND  (Journal Article[ptyp] AND full text[sb] AND ("1990/01/01"[PDat] : "3000/12/31"[PDat]) AND English[lang])  Search strategy Web Of Science:  TOPIC: ("Primary Care" OR "GP" OR "primary health care" OR "family practice" OR "family physician" OR "family  physicians" OR "general practitioner" OR "general practitioners" OR "primary" OR "general practice")  AND  TOPIC: ("secondary care" OR "hospital‐based" OR "hospital care" OR "specialist" OR "specialists" OR "specialized" OR  "specialised" OR "consultant" OR "consultants")  AND  TOPIC: ("correspondence" OR "written communication" OR "writing" OR "information exchange" OR "discharge  summaries" OR "discharge summary" OR "information transfer" OR "letter" OR "letters")  AND TOPIC: ("Quality" OR "content" OR "deficit" OR "deficits" OR "deficiency" OR "deficiencies" OR "Value" OR "contain"  OR "view" OR "views" OR "perspective" OR "perspectives" OR "opinion" OR "opinions" OR "assessment")  Refined by: DOCUMENT TYPES: (ARTICLE OR REVIEW) AND LANGUAGES: (ENGLISH)  Timespan: 1990‐2016. Indexes: SCI‐EXPANDED, SSCI, A&HCI, ESCI.  The following inclusion criteria were defined:  ‐ original research, systematic‐review or meta‐analysis;  ‐ published after 1990 in peer‐reviewed journal;  ‐ English language;  ‐ concerned medical correspondence in general or correspondence in cancer care.  Figure S1a: Search strategy  92 Chapter 7