| article html file updated | 13 February 2020 22:19 CET | Update | https://www.mdpi.com/2309-608X/5/4/93 |
| article html file updated | 31 December 2019 19:04 CET | Update | - |
| article html file updated | 31 October 2019 11:40 CET | Original file | - |
| article pdf uploaded. | 31 October 2019 11:39 CET | Updated version of record | https://www.mdpi.com/2309-608X/5/4/93/pdf |
| article xml uploaded. | 31 October 2019 11:39 CET | Update | https://www.mdpi.com/2309-608X/5/4/93/xml |
| article xml file uploaded | 31 October 2019 11:39 CET | Update | - |
| article pdf uploaded. | 3 October 2019 14:31 CEST | Version of Record | https://www.mdpi.com/2309-608X/5/4/93/pdf-vor |
| article xml file uploaded | 3 October 2019 14:31 CEST | Original file | - |
