Brunei has the second-highest Human Development Index among the Southeast Asia nations, after Singapore, and is classified as a  developed country . According to the International Monetary Fund (IMF), Brunei is ranked fifth in the world by gross domestic product per capita at purchasing power parity.slam is the official religion of Brunei, specifically that of the Sunni branch, as dictated by the Mudabh of Shafi'i. Two-thirds of the population, including the majority of Bruneian Malays and Bruneian Chinese, adhere to Islam.
Pediatric gastroenterologists generally provide treatment for the following: 1  Bleeding from the gastrointestinal tract. 2  Lactose intolerance. 3  Food allergies or intolerances. 4  Severe or complicated gastroesophageal reflux disease (reflux or GERD). 5  Inflammatory bowel disease. 6  Short bowel syndrome.ediatric gastroenterologists are specially trained to perform diagnostic tests of a childâs digestive system. Special instruments, such as endoscopes, are used to examine the inside of the digestive tract or obtain tissue samples (biopsies).
A neurologist is a doctor who specializes in treating diseases of the nervous system.The nervous system comprises the central and peripheral nervous system. This complex system involves the spinal cord and the brain.eurologist Subspecialties. Because the nervous system is complex, a neurologist may specialize in a specific area. Subspecialties have evolved in order to narrow a doctorâs focus. For example, some doctors specialize in treating children with neurological problems.