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. 2017 Nov 23;18:557. doi: 10.1186/s13063-017-2318-4

Table 2.

Participant contact methods and enquiries for June 2016

Telephone Email Study website Other
IT query 65 43 6 2
Clinical query 48 100 51
Administrative query 332 321 47 1
Withdrawal query 9 54 1
Complaint 3 4 3

IT Information technology