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:

Healthy Volunteers: 
Age of at least 18 years 
Existence of a contraceptive method for women of child-bearing age 
Person affiliated to social security or beneficiary of such a scheme 
Signed consent form 
Systemic sclerosis patients: 
Systemic sclerosis meeting the EULAR criteria. 
Presence of at least 2 ischemic digital cutaneous ulcerations on two different fingers, with digital ulcers classified as "active ulcers" according to the North American working group definition: epithelial denudation is clearly Visible at one place and the bed of de-epithelialized ulcer can be seen; Ulcerations distal to the proximal interphalangeal joint, not associated with calcinosis or bony relief. 
Ulcers whose major axis measured with the electronic caliper is ≥ 2 mm 
Age greater than or equal to 18 years 
Existence of a contraceptive method for women of reproductive age 
A person who is or is a beneficiary of social security 
Informed and signed consent signed by the patient or his / her legal representative.
{"Condition": ["Systemic sclerosis", "Ulcers", "digital ulcers", "ischemic digital cutaneous ulcerations"], "Device": ["contraceptive", "contraceptive method"], "Drug": [], "Measurement": ["major axis", "North American working group definition", "EULAR criteria"], "Mood": [], "Multiplier": ["at least 2 on two different fingers"], "Negation": [], "Observation": [], "Person": ["women", "age", "Age"], "Procedure": [], "Qualifier": ["epithelial denudation is clearly Visible at one place and the bed of de-epithelialized ulcer can be seen; Ulcerations distal to the proximal interphalangeal joint, not associated with calcinosis or bony relief", "measured with the electronic caliper", "active"], "ReferencePoint": [], "Scope": ["women of reproductive age", "women of child-bearing age"], "Temporal": [], "Value": ["at least 18 years", "child-bearing", "greater than or equal to 18 years", "\u2265 2 mm", "reproductive", "meeting"], "Visit": []}