| article html file updated | 10 February 2020 14:56 CET | Update | https://www.mdpi.com/2227-7102/8/4/167 |
| article html file updated | 8 October 2019 20:17 CEST | Update | - |
| article html file updated | 28 April 2019 21:57 CEST | Update | - |
| article html file updated | 14 April 2019 17:07 CEST | Update | - |
| article html file updated | 1 April 2019 03:45 CEST | Update | - |
| article html file updated | 27 December 2018 00:09 CET | Update | - |
| article html file updated | 10 October 2018 09:51 CEST | Original file | - |
| article pdf uploaded. | 10 October 2018 09:51 CEST | Version of Record | https://www.mdpi.com/2227-7102/8/4/167/pdf |
| article xml uploaded. | 10 October 2018 09:51 CEST | Update | https://www.mdpi.com/2227-7102/8/4/167/xml |
| article xml file uploaded | 10 October 2018 09:51 CEST | Original file | - |
