| article html file updated | 9 February 2020 00:01 CET | Update | https://www.mdpi.com/1996-1073/10/12/2124 |
| article html file updated | 29 September 2019 04:49 CEST | Update | - |
| article html file updated | 2 May 2019 08:42 CEST | Update | - |
| article html file updated | 18 April 2019 06:28 CEST | Update | - |
| article html file updated | 2 January 2018 20:02 CET | Update | - |
| article html file updated | 13 December 2017 15:10 CET | Original file | - |
| article xml uploaded. | 13 December 2017 15:09 CET | Update | https://www.mdpi.com/1996-1073/10/12/2124/xml |
| article xml uploaded. | 13 December 2017 15:09 CET | Update | - |
| article xml uploaded. | 13 December 2017 15:09 CET | Original file | - |
| article pdf uploaded. | 13 December 2017 15:09 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2124/pdf |
