Describing+data+collection+procedure


 * Examples**


 * The study __was conducted__ at Lai Chi Wo, located in Crooked Harbour, northeast Hong Kong. ([|Fong et al., 2000])


 * Participates __were asked__ to take the same route and mode of transportation to and from the study site on each of their three visits. ([|Weichenthal et al., 2011])


 * The first MONICA survey in Augsburg (southern Germany) __was carried out__ in 1984 - 1985. ([|Peters et al., 1999])


 * The survey __was designed__ to gather data on how people perceived excessive lighting was affecting them, while interviews and field observations yielded more in-depth qualitative data which gave specitic examples of the possible adverse effects of excessive lighting. ([|Karol et al., 2010])


 * The night sky brightness data of Hong Kong Night Sky Brightness Monitoring Network __is measured__ by a portable and easy-to-use instrument called the Sky Quality Meter (SQM). ([|Kwok, 2013])