| article html file updated | 13 February 2020 01:15 CET | Update | https://www.mdpi.com/2071-1050/11/13/3751 |
| article html file updated | 17 July 2019 17:33 CEST | Update | N/A |
| article html file updated | 9 July 2019 16:55 CEST | Original file | N/A |
| article pdf uploaded. | 9 July 2019 16:54 CEST | Version of Record | https://www.mdpi.com/2071-1050/11/13/3751/pdf |
| article xml uploaded. | 9 July 2019 16:54 CEST | Update | https://www.mdpi.com/2071-1050/11/13/3751/xml |
| article xml file uploaded | 9 July 2019 16:54 CEST | Original file | N/A |
