| article html file updated | 4 June 2020 05:12 CEST | Original file | https://www.mdpi.com/2304-6775/8/2/26 |
| article pdf uploaded. | 4 June 2020 05:11 CEST | Updated version of record | https://www.mdpi.com/2304-6775/8/2/26/pdf |
| article xml uploaded. | 4 June 2020 05:11 CEST | Update | https://www.mdpi.com/2304-6775/8/2/26/xml |
| article xml file uploaded | 4 June 2020 05:11 CEST | Update | - |
| article pdf uploaded. | 19 May 2020 13:05 CEST | Version of Record | https://www.mdpi.com/2304-6775/8/2/26/pdf-vor |
| article xml file uploaded | 19 May 2020 13:05 CEST | Original file | - |
