» Healthy , peaceful and friendly

» Weigh more than 20kg

» Between 1 and 10 years old

» No evidence of infectious diseases

» Vaccinated and dewormed

» Not on any medication beyond dewormers

» Without any serious illness history

» No heart murmur

» Not having received any blood transfusion

» Healthy , peaceful and friendly

» Weigh more than 3kg

» Between 1 and 10 years old

» No evidence of infectious diseases

» Vaccinated and dewormed

» Not on any medication beyond dewormers

» Without any serious illness history

» No heart murmur

» Not having received any blood transfusion