| article html file updated | 8 February 2020 23:21 CET | Update | https://www.mdpi.com/1996-1073/10/12/2073 |
| article html file updated | 29 September 2019 01:02 CEST | Update | - |
| article html file updated | 2 May 2019 10:10 CEST | Update | - |
| article html file updated | 18 April 2019 07:49 CEST | Update | - |
| article html file updated | 2 January 2018 19:51 CET | Update | - |
| article html file updated | 6 December 2017 14:39 CET | Original file | - |
| article xml uploaded. | 6 December 2017 14:38 CET | Update | https://www.mdpi.com/1996-1073/10/12/2073/xml |
| article xml uploaded. | 6 December 2017 14:38 CET | Original file | - |
| article pdf uploaded. | 6 December 2017 14:38 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2073/pdf |
