| article html file updated | 12 February 2020 09:06 CET | Update | https://www.mdpi.com/1996-1073/12/9/1656 |
| article html file updated | 19 October 2019 08:14 CEST | Update | N/A |
| article html file updated | 24 May 2019 11:51 CEST | Update | N/A |
| article html file updated | 6 May 2019 09:52 CEST | Original file | N/A |
| article pdf uploaded. | 6 May 2019 09:50 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/9/1656/pdf |
| article xml uploaded. | 6 May 2019 09:50 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1656/xml |
| article xml file uploaded | 6 May 2019 09:50 CEST | Update | N/A |
| article pdf uploaded. | 30 April 2019 16:48 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1656/pdf-vor |
| article xml file uploaded | 30 April 2019 16:48 CEST | Original file | N/A |
