| article html file updated | 13 February 2020 06:10 CET | Update | https://www.mdpi.com/2071-1050/11/15/4121 |
| article html file updated | 13 August 2019 07:36 CEST | Update | - |
| article html file updated | 30 July 2019 17:02 CEST | Original file | - |
| article pdf uploaded. | 30 July 2019 17:01 CEST | Version of Record | https://www.mdpi.com/2071-1050/11/15/4121/pdf |
| article xml uploaded. | 30 July 2019 17:01 CEST | Update | https://www.mdpi.com/2071-1050/11/15/4121/xml |
| article xml file uploaded | 30 July 2019 17:01 CEST | Original file | - |
