| article html file updated | 11 February 2020 20:35 CET | Update | https://www.mdpi.com/2075-163X/9/3/159 | 
| article html file updated | 16 October 2019 04:49 CEST | Update | - | 
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| article html file updated | 7 March 2019 07:25 CET | Original file | - | 
| article pdf uploaded. | 7 March 2019 07:24 CET | Version of Record | https://www.mdpi.com/2075-163X/9/3/159/pdf | 
| article xml uploaded. | 7 March 2019 07:24 CET | Update | https://www.mdpi.com/2075-163X/9/3/159/xml | 
| article xml file uploaded | 7 March 2019 07:24 CET | Original file | - |