| article html file updated | 15 September 2021 13:29 CEST | Update | https://www.mdpi.com/1996-1073/11/2/357 |
| article html file updated | 9 February 2020 05:25 CET | Update | - |
| article html file updated | 30 September 2019 12:06 CEST | Update | - |
| article html file updated | 1 May 2019 21:12 CEST | Update | - |
| article html file updated | 17 April 2019 20:07 CEST | Update | - |
| article html file updated | 28 March 2019 20:41 CET | Update | - |
| article html file updated | 14 March 2018 15:57 CET | Update | - |
| article html file updated | 7 February 2018 06:38 CET | Original file | - |
| article xml uploaded. | 7 February 2018 06:37 CET | Update | https://www.mdpi.com/1996-1073/11/2/357/xml |
| article xml uploaded. | 7 February 2018 06:37 CET | Update | - |
| article pdf uploaded. | 7 February 2018 06:37 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/357/pdf |
| article xml uploaded. | 3 February 2018 10:42 CET | Update | - |
| article xml uploaded. | 3 February 2018 10:42 CET | Original file | - |
| article pdf uploaded. | 3 February 2018 10:42 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/357/pdf-vor |
