| article html file updated | 8 February 2020 21:38 CET | Update | https://www.mdpi.com/2075-5309/7/4/107 |
| article html file updated | 28 September 2019 14:22 CEST | Update | - |
| article html file updated | 2 May 2019 14:00 CEST | Update | - |
| article html file updated | 18 April 2019 11:40 CEST | Update | - |
| article html file updated | 3 January 2018 09:00 CET | Update | - |
| article html file updated | 20 November 2017 09:41 CET | Original file | - |
| article xml uploaded. | 20 November 2017 09:40 CET | Original file | https://www.mdpi.com/2075-5309/7/4/107/xml |
| article pdf uploaded. | 20 November 2017 09:40 CET | Updated version of record | https://www.mdpi.com/2075-5309/7/4/107/pdf |
| article pdf uploaded. | 19 November 2017 10:24 CET | Version of Record | https://www.mdpi.com/2075-5309/7/4/107/pdf-vor |
