| article html file updated | 9 February 2020 00:34 CET | Update | https://www.mdpi.com/1996-1073/10/12/2180 |
| article html file updated | 29 September 2019 08:04 CEST | Update | - |
| article html file updated | 2 May 2019 07:31 CEST | Update | - |
| article html file updated | 18 April 2019 05:22 CEST | Update | - |
| article html file updated | 2 January 2018 20:13 CET | Update | - |
| article html file updated | 21 December 2017 08:14 CET | Original file | - |
| article xml uploaded. | 21 December 2017 08:13 CET | Update | https://www.mdpi.com/1996-1073/10/12/2180/xml |
| article xml uploaded. | 21 December 2017 08:13 CET | Original file | - |
| article pdf uploaded. | 21 December 2017 08:13 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/12/2180/pdf |
| article pdf uploaded. | 19 December 2017 15:44 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2180/pdf-vor |
