Methods Survey 608 residents, who are above 35-year-old in Songbo town of Shen Nongjia area, with unific survey papers;and give them physical examination.
Every spring, Washington magazine, a cosponsor of the program, prints information on "The Swap" along with application forms for city residents wishing to participate.
The Wa FM supporters are a mixed group more akin to community groups (just like the residents opposing a highway in Sri Petaling), unestablished and of unknown potentials and capability.