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. 2016 Aug 19;11(8):e0159551. doi: 10.1371/journal.pone.0159551

Table 1. Breakdown of data collection methods per country.

Online Telephone Face-to-face
Australia 1010
Brazil 859 203
Canada 1014
China 880 200
France 1027
Germany 1005
India 907 102
Malaysia 754 250
Middle East 1003
South Africa 808 200
UK 1010
USA 1009