| article html file updated | 3 June 2020 01:52 CEST | Original file | https://www.mdpi.com/2227-9032/8/2/133 |
| article pdf uploaded. | 3 June 2020 01:50 CEST | Updated version of record | https://www.mdpi.com/2227-9032/8/2/133/pdf |
| article xml uploaded. | 3 June 2020 01:50 CEST | Update | https://www.mdpi.com/2227-9032/8/2/133/xml |
| article xml file uploaded | 3 June 2020 01:50 CEST | Update | N/A |
| article pdf uploaded. | 13 May 2020 16:49 CEST | Version of Record | https://www.mdpi.com/2227-9032/8/2/133/pdf-vor |
| article xml file uploaded | 13 May 2020 16:49 CEST | Original file | N/A |
