| article html file updated | 8 February 2020 20:46 CET | Update | https://www.mdpi.com/1996-1073/10/11/1812 |
| article html file updated | 28 September 2019 08:47 CEST | Update | N/A |
| article html file updated | 2 May 2019 15:55 CEST | Update | N/A |
| article html file updated | 30 November 2017 11:10 CET | Update | N/A |
| article html file updated | 10 November 2017 13:00 CET | Original file | N/A |
| article xml uploaded. | 10 November 2017 12:59 CET | Original file | https://www.mdpi.com/1996-1073/10/11/1812/xml |
| article pdf uploaded. | 10 November 2017 12:59 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/11/1812/pdf |
| article pdf uploaded. | 9 November 2017 13:37 CET | Version of Record | https://www.mdpi.com/1996-1073/10/11/1812/pdf-vor |
