| article html file updated | 7 February 2020 18:39 CET | Update | https://www.mdpi.com/1996-1073/9/12/995 |
| article html file updated | 22 September 2019 07:07 CEST | Update | - |
| article html file updated | 4 May 2019 21:16 CEST | Update | - |
| article html file updated | 28 December 2016 08:52 CET | Update | - |
| article html file updated | 25 November 2016 14:19 CET | Original file | - |
| article xml uploaded. | 25 November 2016 14:18 CET | Update | https://www.mdpi.com/1996-1073/9/12/995/xml |
| article xml uploaded. | 25 November 2016 14:18 CET | Original file | - |
| article pdf uploaded. | 25 November 2016 14:18 CET | Version of Record | https://www.mdpi.com/1996-1073/9/12/995/pdf |
