| article html file updated | 9 February 2020 00:33 CET | Update | https://www.mdpi.com/1996-1073/10/12/2174 |
| article html file updated | 29 September 2019 08:01 CEST | Update | - |
| article html file updated | 2 May 2019 07:32 CEST | Update | - |
| article html file updated | 18 April 2019 05:23 CEST | Update | - |
| article html file updated | 2 January 2018 20:12 CET | Update | - |
| article html file updated | 19 December 2017 13:03 CET | Original file | - |
| article xml uploaded. | 19 December 2017 13:02 CET | Update | https://www.mdpi.com/1996-1073/10/12/2174/xml |
| article xml uploaded. | 19 December 2017 13:02 CET | Update | - |
| article xml uploaded. | 19 December 2017 13:02 CET | Original file | - |
| article pdf uploaded. | 19 December 2017 13:02 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2174/pdf |
