| article html file updated | 8 February 2020 21:57 CET | Update | https://www.mdpi.com/2227-9717/5/4/75 |
| article html file updated | 28 September 2019 16:26 CEST | Update | N/A |
| article html file updated | 2 May 2019 13:17 CEST | Update | N/A |
| article html file updated | 18 April 2019 10:56 CEST | Update | N/A |
| article html file updated | 2 January 2018 12:00 CET | Update | N/A |
| article html file updated | 22 November 2017 14:37 CET | Original file | N/A |
| article xml uploaded. | 22 November 2017 14:36 CET | Update | https://www.mdpi.com/2227-9717/5/4/75/xml |
| article xml uploaded. | 22 November 2017 14:36 CET | Original file | N/A |
| article pdf uploaded. | 22 November 2017 14:36 CET | Version of Record | https://www.mdpi.com/2227-9717/5/4/75/pdf |
