| article html file updated | 10 February 2020 18:47 CET | Update | https://www.mdpi.com/2076-0787/7/4/106 |
| article html file updated | 28 April 2019 14:05 CEST | Update | - |
| article html file updated | 14 April 2019 09:17 CEST | Update | - |
| article html file updated | 1 April 2019 14:23 CEST | Update | - |
| article html file updated | 2 November 2018 10:34 CET | Update | - |
| article pdf uploaded. | 2 November 2018 10:33 CET | Updated version of record | https://www.mdpi.com/2076-0787/7/4/106/pdf |
| article xml uploaded. | 2 November 2018 10:33 CET | Update | https://www.mdpi.com/2076-0787/7/4/106/xml |
| article xml file uploaded | 2 November 2018 10:33 CET | Update | - |
| article html file updated | 31 October 2018 10:30 CET | Original file | - |
| article pdf uploaded. | 31 October 2018 09:11 CET | Version of Record | https://www.mdpi.com/2076-0787/7/4/106/pdf-vor |
| article xml uploaded. | 31 October 2018 09:11 CET | Update | - |
| article xml file uploaded | 31 October 2018 09:11 CET | Original file | - |
