| article html file updated | 8 February 2020 22:18 CET | Update | https://www.mdpi.com/1996-1073/10/12/1969 |
| article html file updated | 28 September 2019 18:38 CEST | Update | - |
| article html file updated | 2 May 2019 12:33 CEST | Update | - |
| article html file updated | 18 April 2019 10:10 CEST | Update | - |
| article html file updated | 2 January 2018 18:38 CET | Update | - |
| article html file updated | 27 November 2017 07:18 CET | Update | - |
| article html file updated | 27 November 2017 07:17 CET | Original file | - |
| article xml uploaded. | 27 November 2017 07:17 CET | Update | https://www.mdpi.com/1996-1073/10/12/1969/xml |
| article xml uploaded. | 27 November 2017 07:17 CET | Update | - |
| article xml uploaded. | 27 November 2017 07:17 CET | Update | - |
| article xml uploaded. | 27 November 2017 07:16 CET | Update | - |
| article xml uploaded. | 27 November 2017 07:16 CET | Update | - |
| article xml uploaded. | 27 November 2017 07:16 CET | Update | - |
| article xml uploaded. | 27 November 2017 07:16 CET | Original file | - |
| article pdf uploaded. | 27 November 2017 07:16 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/12/1969/pdf |
| article pdf uploaded. | 26 November 2017 10:43 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/1969/pdf-vor |
