| article html file updated | 8 February 2020 14:22 CET | Update | https://www.mdpi.com/1996-1073/10/9/1260 |
| article html file updated | 26 September 2019 17:31 CEST | Update | N/A |
| article html file updated | 3 May 2019 05:22 CEST | Update | N/A |
| article html file updated | 30 September 2017 08:30 CEST | Update | N/A |
| article html file updated | 25 August 2017 03:44 CEST | Original file | N/A |
| article xml uploaded. | 25 August 2017 03:43 CEST | Original file | https://www.mdpi.com/1996-1073/10/9/1260/xml |
| article pdf uploaded. | 25 August 2017 03:43 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/9/1260/pdf |
| article pdf uploaded. | 24 August 2017 13:03 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1260/pdf-vor |
