Department of Gastroenterology;
Seth G.S Medical College and K.E.M Hospital;
Mumbai 400012;
India;
Department of Pediatric Gastroenterology;
Sanjay Gandhi Postgraduate Institute of Medical Sciences;
Lucknow 226014;
India;
Mitochondrial hepatopathy; Respiratory chain defects; Maternal inheritance; Neonatal liver failure; DNA depletion syndrome; Pearson syndrome;