Monitoring was also important because once POIS participants consented to participate in the study, the interviews needed to proceed as described in the Study Information Sheet.
Participating villages were visited a day before the study and with the help of village leaders, potential participants were verbally invited to participate in the study the following day.
Before obtaining access to the online questionnaire, each participant was asked to read the study description and then answer the question "Are you willing to participate in the study?" The participants gave informed consent by ticking the answer "yes" to this question.
Once consented (either via telephone or postal form) to participate in the study, the questionnaire was sent to the participants' home address provided upon consent.
All students attending the schools February June 2014 (T1) and February June 2015 (T2) were invited to participate in the study; the response rate was 80% at T1 and 83% at T2.
Moreover, while the researchers have made every effort to ensuring that a diverse, qualified, and unbiased group of experts participate in the study, the final results may still carry a certain level of subjectivity, as is the case with all similar investigations.
Fourteen villages agreed to participate in the study; the average distance to the nearest health centre of these villages was approximately 5 km.
After acceptance to participate in the study, the subjects were randomly shown each video and asked to classify each one according to whether he/she thought that the speaker had or had not experienced the childhood cancer of a sibling, using a 4-point Likert scale (yes, probably yes, probably no, no).
After obtaining informed consent to participate in the study, the questionnaire was provided to HR managers.
While agreeing to participate in the study, the subjects filled up an informed consent form.
After agreeing to participate in the study, the patients completed a questionnaire-based pretest.
