| article html file updated | 7 February 2020 18:53 CET | Update | https://www.mdpi.com/1996-1073/9/12/1013 |
| article html file updated | 22 September 2019 08:05 CEST | Update | N/A |
| article html file updated | 4 May 2019 20:46 CEST | Update | N/A |
| article html file updated | 28 December 2016 08:56 CET | Update | N/A |
| article html file updated | 21 December 2016 06:31 CET | Update | N/A |
| article xml uploaded. | 21 December 2016 06:30 CET | Update | https://www.mdpi.com/1996-1073/9/12/1013/xml |
| article xml uploaded. | 21 December 2016 06:30 CET | Update | N/A |
| article pdf uploaded. | 21 December 2016 06:30 CET | Updated version of record | https://www.mdpi.com/1996-1073/9/12/1013/pdf |
| article html file updated | 30 November 2016 12:46 CET | Original file | N/A |
| article xml uploaded. | 30 November 2016 12:45 CET | Update | N/A |
| article xml uploaded. | 30 November 2016 12:45 CET | Update | N/A |
| article xml uploaded. | 30 November 2016 12:45 CET | Original file | N/A |
| article pdf uploaded. | 30 November 2016 12:45 CET | Version of Record | https://www.mdpi.com/1996-1073/9/12/1013/pdf-vor |
