Sentence examples for all statistical tests were calculated using from inspiring English sources

All statistical tests were calculated using GraphPad Prism 5.0 (La Jolla, CA, USA).

All statistical tests were calculated using SPSS 17.

All statistical tests were calculated using a 5% two-sided significance level using STATA/IC 11.0 (StataCorp, College Station, Texas, USA).

All statistical tests were calculated using SPSS 14. MS participated in the design of the study, conducted the experiments, performed the video and statistical analysis and prepared the manuscript.

Significance values for all four statistical tests were calculated using 1,000 bootstrap replicates.

Statistical tests were calculated using GraphPad Prism software (GraphPad Software, La Jolla, CA, USA).

Statistical tests were calculated using two-tailed t-tests and Chi-square tests.

All statistical significances were calculated using Student's t-test with p<0.01.

Statistical significances were calculated using unpaired t-tests.

*Values are median (interquartile range), statistical differences were calculated using the Mann-Whitney test.

Statistical differences were calculated using the Mann-Whitney-U test.