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. 2022 Feb 15;10:739761. doi: 10.3389/fpubh.2022.739761

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Copyright © 2022 Jafree, Zakar, Rafiq, Javed, Durrani, Burhan, Hasnain Nadir, Ali, Shahid, Momina, Wrona, Mahmood and Fischer.

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Screenshot of a WhatsApp communication to the intervention group including a video tutorial by subject expert and introductory text.