Data were analyzed using SPSS version 20 (IBM Corp., Armonk, NY). 
SPSS
Data were analyzed using SPSS version 20 (IBM Corp., Armonk, NY). 
IBM Corp.
Data were analyzed using SPSS version 20 (IBM Corp., Armonk, NY). 
Armonk
Data were analyzed using SPSS version 20 (IBM Corp., Armonk, NY). 
NY