| article html file updated | 11 June 2020 06:38 CEST | Update | https://www.mdpi.com/2310-2861/6/2/18 |
| article pdf uploaded. | 11 June 2020 06:37 CEST | Updated version of record | https://www.mdpi.com/2310-2861/6/2/18/pdf |
| article xml uploaded. | 11 June 2020 06:37 CEST | Update | https://www.mdpi.com/2310-2861/6/2/18/xml |
| article xml file uploaded | 11 June 2020 06:37 CEST | Update | N/A |
| article html file updated | 10 June 2020 10:58 CEST | Original file | N/A |
| article pdf uploaded. | 10 June 2020 10:57 CEST | Version of Record | https://www.mdpi.com/2310-2861/6/2/18/pdf-vor |
| article xml file uploaded | 10 June 2020 10:56 CEST | Original file | N/A |
