Limitations of the Study
1.     Small sample size. Statistical associations of cancer outcomes with prevalence of side effects were not possible.
2.     Anthropometric measurements for nutritional status were limited due to the COVID-19 pandemic.
3.     The number of micronutrients evaluated was limited to vitamins A, D, E and trace elements Cu, Se, Zn.
4.     Follow-up of study patients was limited to 18 months.