| article html file updated | 8 February 2020 21:46 CET | Update | https://www.mdpi.com/1996-1073/10/11/1920 |
| article html file updated | 28 September 2019 15:20 CEST | Update | - |
| article html file updated | 2 May 2019 13:41 CEST | Update | - |
| article html file updated | 18 April 2019 11:20 CEST | Update | - |
| article html file updated | 30 November 2017 10:39 CET | Update | - |
| article html file updated | 21 November 2017 10:18 CET | Original file | - |
| article xml uploaded. | 21 November 2017 10:16 CET | Update | https://www.mdpi.com/1996-1073/10/11/1920/xml |
| article xml uploaded. | 21 November 2017 10:16 CET | Update | - |
| article xml uploaded. | 21 November 2017 10:16 CET | Original file | - |
| article pdf uploaded. | 21 November 2017 10:16 CET | Version of Record | https://www.mdpi.com/1996-1073/10/11/1920/pdf |
