| article html file updated | 8 February 2020 22:08 CET | Update | https://www.mdpi.com/1996-1073/10/12/1961 |
| article html file updated | 28 September 2019 17:41 CEST | Update | - |
| article html file updated | 2 May 2019 12:53 CEST | Update | - |
| article html file updated | 18 April 2019 10:31 CEST | Update | - |
| article html file updated | 2 January 2018 18:30 CET | Update | - |
| article html file updated | 27 November 2017 10:54 CET | Original file | - |
| article xml uploaded. | 27 November 2017 10:52 CET | Update | https://www.mdpi.com/1996-1073/10/12/1961/xml |
| article xml uploaded. | 27 November 2017 10:52 CET | Original file | - |
| article pdf uploaded. | 27 November 2017 10:52 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/12/1961/pdf |
| article pdf uploaded. | 24 November 2017 14:24 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/1961/pdf-vor |