| article html file updated | 14 February 2020 01:26 CET | Update | https://www.mdpi.com/1996-1073/12/20/3921 |
| article html file updated | 29 October 2019 21:59 CET | Update | N/A |
| article html file updated | 23 October 2019 10:09 CEST | Original file | N/A |
| article pdf uploaded. | 23 October 2019 10:00 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/20/3921/pdf |
| article xml uploaded. | 23 October 2019 10:00 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3921/xml |
| article xml file uploaded | 23 October 2019 10:00 CEST | Update | N/A |
| article pdf uploaded. | 16 October 2019 13:53 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/20/3921/pdf-vor |
| article xml file uploaded | 16 October 2019 13:53 CEST | Original file | N/A |
