“…Anti–Chlamydia IgG, IgM, and IgA were detected by rDNA‐LPS‐ELISA (Medac GmbH, Hamburg, Germany),7, 8 anti– Chlamydia trachomatis (CT) IgG and IgA by ELISA (SeroCT, Savyon, Beer‐Sheva, Israel9), and anti– Mycoplasma pneumoniae (MP) IgG and IgM by ELISA(Virion/Serion GmbH, Würzburg, Germany). Antistaphylolysine antibodies (ASTAs) were detected by complement binding neutralization assay10 (Boehringer Ingelheim Bioproducts, Heidelberg, Germany). CP‐specific polymerase chain reaction (PCR) was performed according to Boman and colleagues 11…”