| article html file updated | 8 February 2020 22:11 CET | Update | https://www.mdpi.com/1996-1073/10/12/1949 |
| article html file updated | 28 September 2019 17:59 CEST | Update | - |
| article html file updated | 2 May 2019 12:47 CEST | Update | - |
| article html file updated | 18 April 2019 10:24 CEST | Update | - |
| article html file updated | 2 January 2018 18:12 CET | Update | - |
| article html file updated | 27 November 2017 04:08 CET | Update | - |
| article xml uploaded. | 27 November 2017 04:07 CET | Update | https://www.mdpi.com/1996-1073/10/12/1949/xml |
| article xml uploaded. | 27 November 2017 04:07 CET | Update | - |
| article pdf uploaded. | 27 November 2017 04:07 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/12/1949/pdf |
| article html file updated | 24 November 2017 15:56 CET | Original file | - |
| article xml uploaded. | 24 November 2017 15:55 CET | Update | - |
| article xml uploaded. | 24 November 2017 15:55 CET | Original file | - |
| article pdf uploaded. | 24 November 2017 15:55 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/1949/pdf-vor |
