| article html file updated | 8 February 2020 21:02 CET | Update | https://www.mdpi.com/2075-4434/5/4/75 |
| article html file updated | 28 September 2019 10:34 CEST | Update | N/A |
| article html file updated | 2 May 2019 15:19 CEST | Update | N/A |
| article html file updated | 2 January 2018 17:12 CET | Update | N/A |
| article html file updated | 13 November 2017 12:52 CET | Original file | N/A |
| article xml uploaded. | 13 November 2017 12:51 CET | Update | https://www.mdpi.com/2075-4434/5/4/75/xml |
| article xml uploaded. | 13 November 2017 12:51 CET | Original file | N/A |
| article pdf uploaded. | 13 November 2017 12:51 CET | Version of Record | https://www.mdpi.com/2075-4434/5/4/75/pdf |
