| article html file updated | 4 December 2020 07:02 CET | Update | https://www.mdpi.com/2076-0752/9/4/106 |
| article html file updated | 19 October 2020 04:48 CEST | Original file | N/A |
| article pdf uploaded. | 19 October 2020 04:47 CEST | Updated version of record | https://www.mdpi.com/2076-0752/9/4/106/pdf |
| article xml uploaded. | 19 October 2020 04:47 CEST | Update | https://www.mdpi.com/2076-0752/9/4/106/xml |
| article xml file uploaded | 19 October 2020 04:47 CEST | Original file | N/A |
| article pdf uploaded. | 18 October 2020 10:40 CEST | Version of Record | https://www.mdpi.com/2076-0752/9/4/106/pdf-vor |
