| article html file updated | 14 February 2020 03:26 CET | Update | https://www.mdpi.com/2076-3417/9/21/4504 |
| article html file updated | 15 November 2019 09:53 CET | Update | N/A |
| article html file updated | 24 October 2019 07:59 CEST | Original file | N/A |
| article pdf uploaded. | 24 October 2019 07:56 CEST | Version of Record | https://www.mdpi.com/2076-3417/9/21/4504/pdf |
| article xml uploaded. | 24 October 2019 07:56 CEST | Update | https://www.mdpi.com/2076-3417/9/21/4504/xml |
| article xml file uploaded | 24 October 2019 07:55 CEST | Original file | N/A |
