[1] Govt Coll Nursing, Dept Child Hlth Nursing, Trichur, Kerala, India
[2] KS Hegde Med Acad, Dept Ophthalmol, Mangalore, Karnataka, India
[3] Govt Coll Nursing, Dept Mental Hlth Nursing, Trichur, Kerala, India
[4] Govt Coll Nursing, Dept Ophthalmol, Trichur, Kerala, India
[5] Kerala Univ Hlth Sci, Dept Acad Stall Coll, Trichur, Kerala, India