Table 1.

The PICO method to define keywords for searching strategy.

Population	Children under five years of age
Intervention/Exposure	Stunted children (according to the World Health Organization (WHO) Child Growth Standards) [16].
Control	Children with normal nutritional status
Outcome	STH infection caused by either Ascaris lumbricoides, Trichuris trichiura, hookworm (Ancylostoma duodenale, Necator americanus), or Strongyloides stercoralis