| article html file updated | 22 April 2020 03:55 CEST | Original file | https://www.mdpi.com/2199-8531/6/2/24 |
| article pdf uploaded. | 22 April 2020 03:54 CEST | Updated version of record | https://www.mdpi.com/2199-8531/6/2/24/pdf |
| article xml uploaded. | 22 April 2020 03:54 CEST | Update | https://www.mdpi.com/2199-8531/6/2/24/xml |
| article xml file uploaded | 22 April 2020 03:54 CEST | Update | N/A |
| article pdf uploaded. | 8 April 2020 12:44 CEST | Updated version of record | https://www.mdpi.com/2199-8531/6/2/24/pdf-vor |
| article xml file uploaded | 8 April 2020 12:44 CEST | Update | N/A |
| article pdf uploaded. | 8 April 2020 12:44 CEST | Version of Record | https://www.mdpi.com/2199-8531/6/2/24/pdf-vor |
| article xml file uploaded | 8 April 2020 12:44 CEST | Original file | N/A |
