| Groups | 
        Age (years) | 
        Body weight    (kg) | 
        Body height    (cm) | 
        Tanner    Stage (P) | 
        Tanner    Stage (G) | 
       
      
        | S (N=15) | 
        11.2 ± 0.6 | 
        40.8 ± 6.8 | 
        151.6 ± 7.1 | 
        2.3 ±  0.1 | 
        2.1 ±  0.1 | 
       
      
        | I (N=15) | 
        11.3 ± 0.6 | 
        39.9 ± 6.4 | 
        151.3 ± 7.5 | 
        2.3 ±  0.1 | 
        2.1 ±  0.1 | 
       
      
        | C (N=15) | 
        10.8 ± 0.2 | 
        35.4 ± 6.0 | 
        147.0 ± 7.4 | 
        - | 
        - | 
       
     
      Tanner stage (P): Tanner stage for pubic hair 
    Tanner stage (G): Tanner stage genitals development |