| article html file updated | 12 February 2020 10:16 CET | Update | https://www.mdpi.com/2071-1050/11/9/2609 |
| article html file updated | 19 October 2019 15:18 CEST | Update | N/A |
| article html file updated | 24 May 2019 18:24 CEST | Update | N/A |
| article html file updated | 7 May 2019 08:12 CEST | Original file | N/A |
| article pdf uploaded. | 7 May 2019 06:11 CEST | Version of Record | https://www.mdpi.com/2071-1050/11/9/2609/pdf |
| article xml uploaded. | 7 May 2019 06:11 CEST | Update | https://www.mdpi.com/2071-1050/11/9/2609/xml |
| article xml file uploaded | 7 May 2019 06:11 CEST | Original file | N/A |
