any neurological conditions other than PD; 
significant musculoskeletal or cardiopulmonary diseases; 
other disorders that may affect balance or locomotion; 
taken any structured behavioral or exercise programs in the past 3 months 
or they are receiving regular physical rehabilitation at present; 
unstable condition on anti-parkinsonian medications; 
surgical interventions for PD; 
communication or cognitive deficits with mini-mental state examination, (MMSE) <24/30 (Folstein et al., 1975); 
a history of more than two falls in the previous 12 months.       
    

NCT01799681_exc_T1
Condition
neurological conditions
NCT01799681_exc_T2
Condition
PD
NCT01799681_exc_T3
Negation
other than
NCT01799681_exc_T4
Condition
cardiopulmonary diseases
NCT01799681_exc_T5
Condition
musculoskeletal diseases
NCT01799681_exc_T6
Qualifier
significant
NCT01799681_exc_T9
Scope
musculoskeletal or cardiopulmonary diseases
NCT01799681_exc_T10
Condition
disorders that may affect balance or locomotion
NCT01799681_exc_T12
Procedure
structured exercise programs
NCT01799681_exc_T13
Procedure
structured behavioral programs
NCT01799681_exc_T14
Temporal
in the past 3 months
NCT01799681_exc_T15
Scope
structured behavioral or exercise programs
NCT01799681_exc_T16
Procedure
regular physical rehabilitation
NCT01799681_exc_T17
Temporal
at present
NCT01799681_exc_T18
Condition
unstable condition
NCT01799681_exc_T19
Drug
anti-parkinsonian medications
NCT01799681_exc_T21
Procedure
surgical interventions for PD
NCT01799681_exc_T22
Condition
PD
NCT01799681_exc_T23
Condition
cognitive deficits
NCT01799681_exc_T24
Measurement
mini-mental state examination, (MMSE)
NCT01799681_exc_T25
Value
<24/30
NCT01799681_exc_T26
Condition
communication deficits
NCT01799681_exc_T27
Scope
communication or cognitive deficits
NCT01799681_exc_T28
Multiplier
more than two
NCT01799681_exc_T29
Condition
falls
NCT01799681_exc_T30
Temporal
in the previous 12 months
NCT01799681_exc_T31
Observation
history