“…Coded categories were not mutually exclusive such that a reference might have defined the principle of patient-centered care at more than one category. Bracketed numbers represent the number of unique references coded at each category b References coded at this category [20, 40, 42, 43, 45, 47, 50, 52, 64, 69, 72–89] c References coded at this category [25, 40, 43, 46, 47, 50, 52–57, 63, 67, 71, 75–77, 84, 87, 90–93] d References coded at this category [20, 45, 52–54, 64, 67, 72, 74, 86, 88]…”