| article html file updated | 8 February 2020 22:29 CET | Update | https://www.mdpi.com/2075-5309/7/4/108 |
| article html file updated | 28 September 2019 19:44 CEST | Update | - |
| article html file updated | 2 May 2019 12:06 CEST | Update | - |
| article html file updated | 18 April 2019 09:43 CEST | Update | - |
| article html file updated | 3 January 2018 09:00 CET | Update | - |
| article html file updated | 29 November 2017 06:51 CET | Update | - |
| article xml uploaded. | 29 November 2017 06:50 CET | Update | https://www.mdpi.com/2075-5309/7/4/108/xml |
| article xml uploaded. | 29 November 2017 06:50 CET | Update | - |
| article pdf uploaded. | 29 November 2017 06:50 CET | Updated version of record | https://www.mdpi.com/2075-5309/7/4/108/pdf |
| article html file updated | 28 November 2017 15:34 CET | Original file | - |
| article xml uploaded. | 28 November 2017 15:33 CET | Original file | - |
| article pdf uploaded. | 28 November 2017 15:33 CET | Version of Record | https://www.mdpi.com/2075-5309/7/4/108/pdf-vor |
