| article html file updated | 7 February 2020 05:35 CET | Update | https://www.mdpi.com/1996-1073/9/3/163 |
| article html file updated | 5 May 2019 22:09 CEST | Update | - |
| article html file updated | 26 March 2019 22:50 CET | Update | - |
| article html file updated | 30 March 2016 12:11 CEST | Original file | - |
| article pdf uploaded. | 10 March 2016 12:38 CET | Updated version of record | https://www.mdpi.com/1996-1073/9/3/163/pdf |
| article pdf uploaded. | 8 March 2016 11:29 CET | Version of Record | https://www.mdpi.com/1996-1073/9/3/163/pdf-vor |
| article xml uploaded. | 8 March 2016 11:29 CET | Original file | https://www.mdpi.com/1996-1073/9/3/163/xml |
