Table 1 ME/CFS biomarker studies in Europe 2012–2016

Belgium

Metabolic

[27]

Immunologic

[3]

France

Metabolic

[28, 29]

Germany

Metabolic

[30]

Immunologic

[4,5,6,7]

Neurologic

[23]

Ireland

Immunologic

[8]

Italy

Metabolic

[31,32,33,34]

Infection

[18, 19]

Latvia

Infection

[20, 21]

Netherlands

Metabolic

[35, 36]

Norway

Metabolic

[37]

Immunologic

[9, 10]

Neurologic

[24, 25]

Poland*

Immunologic

[11]

Serbia

Metabolic

[38]

Spain

Metabolic

[39]

Immunologic

[12]

Infection

[22]

Sweden

Immunologic

[13]

UK

Metabolic

[40, 41]

Immunologic

[14,15,16,17]

Neurologic

[26]