You will be shown inclusion or exclusion criteria for a clinical trial. Given these criteria, your task is to extract all unique entities of the following types: ["Observation", "Condition", "Procedure", "Drug", "Temporal", "Multiplier", "Qualifier", "Negation", "ReferencePoint", "Scope", "Value", "Mood", "Device", "Visit", "Measurement", "Person"].

Please return the output as a JSON object of the format: {"Condition" : ["breast cancer", ...], "Device" : ["ports", ...], "Drug" : ["Atenolol", ...], "Measurement" : ["blood pressure", ...], "Mood" : ["suspected", ...], "Multiplier" : ["more than two", ...], "Negation" : ["no", ...], "Observation" : ["history", ...], "Person" : ["male", ...], "Procedure" : ["surgery", ...], "Qualifier" : ["severe", ...], "ReferencePoint" : ["enrollment", ...], "Scope" : ["infection", ...], "Temporal" : ["one day", ...], "Value" : ["50%", ...], "Visit" : ["ICU", ...]}. The keys should be entity types and values should be lists of extracted entities belonging to the corresponding type. If you cannot find entities belonging to a specific type, the value should be [].

Only output the JSON object and do not include any additional text.

Abstract:

18 years or older patients who are proven to be infected by Helicobacter pylori based on positive in Urea Breath Test or positive in histopathologic examination of biopsy in antrum and corpus of gaster through esophagoduodenoscopy.
{"Condition": ["infected by Helicobacter pylori"], "Device": [], "Drug": [], "Measurement": ["Urea Breath Test"], "Mood": [], "Multiplier": [], "Negation": [], "Observation": [], "Person": ["old"], "Procedure": ["esophagoduodenoscopy", "histopathologic examination of biopsy"], "Qualifier": ["corpus of gaster", "antrum of gaster"], "ReferencePoint": [], "Scope": [], "Temporal": [], "Value": ["18 years or older", "positive"], "Visit": []}