| article html file updated | 12 February 2020 21:43 CET | Update | https://www.mdpi.com/2218-273X/9/6/248 |
| article html file updated | 22 October 2019 09:54 CEST | Update | - |
| article html file updated | 4 July 2019 17:39 CEST | Update | - |
| article html file updated | 24 June 2019 12:22 CEST | Original file | - |
| article pdf uploaded. | 24 June 2019 12:21 CEST | Version of Record | https://www.mdpi.com/2218-273X/9/6/248/pdf |
| article xml uploaded. | 24 June 2019 12:21 CEST | Update | https://www.mdpi.com/2218-273X/9/6/248/xml |
| article xml file uploaded | 24 June 2019 12:21 CEST | Original file | - |
