| article html file updated | 8 February 2020 22:29 CET | Update | https://www.mdpi.com/1996-1073/10/12/1974 |
| article html file updated | 28 September 2019 19:44 CEST | Update | - |
| article html file updated | 2 May 2019 12:07 CEST | Update | - |
| article html file updated | 18 April 2019 09:43 CEST | Update | - |
| article html file updated | 2 January 2018 18:40 CET | Update | - |
| article html file updated | 30 November 2017 08:14 CET | Update | - |
| article xml uploaded. | 30 November 2017 07:50 CET | Update | https://www.mdpi.com/1996-1073/10/12/1974/xml |
| article xml uploaded. | 30 November 2017 07:50 CET | Update | - |
| article pdf uploaded. | 30 November 2017 07:50 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/12/1974/pdf |
| article html file updated | 28 November 2017 15:27 CET | Original file | - |
| article xml uploaded. | 28 November 2017 15:26 CET | Update | - |
| article xml uploaded. | 28 November 2017 15:26 CET | Original file | - |
| article pdf uploaded. | 28 November 2017 15:26 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/1974/pdf-vor |
