| article html file updated | 29 June 2020 05:54 CEST | Original file | https://www.mdpi.com/2226-4310/7/6/76 |
| article pdf uploaded. | 29 June 2020 05:53 CEST | Updated version of record | https://www.mdpi.com/2226-4310/7/6/76/pdf |
| article xml uploaded. | 29 June 2020 05:53 CEST | Update | https://www.mdpi.com/2226-4310/7/6/76/xml |
| article xml file uploaded | 29 June 2020 05:53 CEST | Original file | - |
| article pdf uploaded. | 8 June 2020 16:21 CEST | Version of Record | https://www.mdpi.com/2226-4310/7/6/76/pdf-vor |
