Acronyms	Meaning
AP	acute pancreatitis
AAP	alcoholic acute pancreatitis
CDC	Center for Disease Control
GDP	gross domestic product
ICU	intensive care unit
IRB	institutional review board
LoS	length of stay (days)
OAP	all other known cause acute pancreatitis
RAP	recurrent acute pancreatitis
RON	ISO code of Romanian Leu (Romanian national currency)
SAP	severe acute pancreatitis
WON	walled-off necrosis