| article html file updated | 22 May 2020 05:07 CEST | Update | https://www.mdpi.com/2227-7390/8/5/721 |
| article pdf uploaded. | 22 May 2020 05:06 CEST | Updated version of record | https://www.mdpi.com/2227-7390/8/5/721/pdf |
| article xml uploaded. | 22 May 2020 05:06 CEST | Update | https://www.mdpi.com/2227-7390/8/5/721/xml |
| article xml file uploaded | 22 May 2020 05:06 CEST | Update | - |
| article html file updated | 4 May 2020 10:40 CEST | Update | - |
| article html file updated | 4 May 2020 10:40 CEST | Original file | - |
| article pdf uploaded. | 4 May 2020 10:39 CEST | Updated version of record | https://www.mdpi.com/2227-7390/8/5/721/pdf-vor |
| article xml file uploaded | 4 May 2020 10:39 CEST | Update | - |
| article pdf uploaded. | 4 May 2020 10:38 CEST | Version of Record | https://www.mdpi.com/2227-7390/8/5/721/pdf-vor |
| article xml file uploaded | 4 May 2020 10:38 CEST | Original file | - |
