How widespread should pain be to be defined as widespread?

How widespread should pain be to be defined as widespread?

Amris, Kirstine, Wæhrens, Eva E., Bliddal, Henning, Danneskiold-Samsøe, Bente
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Volume:
157
Language:
english
Journal:
PAIN
DOI:
10.1097/j.pain.0000000000000585
Date:
August, 2016
File:
PDF, 75 KB
english, 2016
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