| article html file updated | 12 February 2020 09:30 CET | Update | https://www.mdpi.com/2071-1050/11/9/2551 |
| article html file updated | 19 October 2019 10:34 CEST | Update | N/A |
| article html file updated | 24 May 2019 18:00 CEST | Update | N/A |
| article html file updated | 2 May 2019 09:51 CEST | Original file | N/A |
| article pdf uploaded. | 2 May 2019 09:50 CEST | Version of Record | https://www.mdpi.com/2071-1050/11/9/2551/pdf |
| article xml uploaded. | 2 May 2019 09:50 CEST | Update | https://www.mdpi.com/2071-1050/11/9/2551/xml |
| article xml file uploaded | 2 May 2019 09:50 CEST | Original file | N/A |
