| article html file updated | 8 February 2020 20:51 CET | Update | https://www.mdpi.com/2075-5309/7/4/104 |
| article html file updated | 28 September 2019 09:19 CEST | Update | N/A |
| article html file updated | 2 May 2019 15:44 CEST | Update | N/A |
| article html file updated | 3 January 2018 08:59 CET | Update | N/A |
| article html file updated | 24 November 2017 04:26 CET | Update | N/A |
| article xml uploaded. | 24 November 2017 04:25 CET | Update | https://www.mdpi.com/2075-5309/7/4/104/xml |
| article pdf uploaded. | 24 November 2017 04:25 CET | Updated version of record | https://www.mdpi.com/2075-5309/7/4/104/pdf |
| article html file updated | 10 November 2017 11:53 CET | Original file | N/A |
| article xml uploaded. | 10 November 2017 11:51 CET | Update | N/A |
| article xml uploaded. | 10 November 2017 11:51 CET | Original file | N/A |
| article pdf uploaded. | 10 November 2017 11:51 CET | Version of Record | https://www.mdpi.com/2075-5309/7/4/104/pdf-vor |