| article html file updated | 10 February 2020 13:41 CET | Update | https://www.mdpi.com/2079-9284/5/4/57 |
| article html file updated | 8 October 2019 13:04 CEST | Update | - |
| article html file updated | 29 April 2019 00:21 CEST | Update | - |
| article html file updated | 14 April 2019 19:41 CEST | Update | - |
| article html file updated | 1 April 2019 00:47 CEST | Update | - |
| article html file updated | 1 October 2018 03:42 CEST | Original file | - |
| article pdf uploaded. | 1 October 2018 03:41 CEST | Version of Record | https://www.mdpi.com/2079-9284/5/4/57/pdf |
| article xml uploaded. | 1 October 2018 03:41 CEST | Update | https://www.mdpi.com/2079-9284/5/4/57/xml |
| article xml file uploaded | 1 October 2018 03:41 CEST | Original file | - |
