| article html file updated | 12 February 2020 09:16 CET | Update | https://www.mdpi.com/1996-1073/12/9/1661 |
| article html file updated | 19 October 2019 09:11 CEST | Update | N/A |
| article html file updated | 24 May 2019 11:52 CEST | Update | N/A |
| article html file updated | 16 May 2019 09:49 CEST | Original file | N/A |
| article pdf uploaded. | 15 May 2019 08:59 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/9/1661/pdf |
| article xml uploaded. | 15 May 2019 08:59 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1661/xml |
| article xml file uploaded | 15 May 2019 08:59 CEST | Update | N/A |
| article pdf uploaded. | 1 May 2019 09:07 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1661/pdf-vor |
| article xml file uploaded | 1 May 2019 09:07 CEST | Original file | N/A |
