| article html file updated | 8 February 2020 17:12 CET | Update | https://www.mdpi.com/2075-4434/5/4/58 |
| article html file updated | 27 September 2019 09:19 CEST | Update | - |
| article html file updated | 3 May 2019 00:00 CEST | Update | - |
| article html file updated | 2 January 2018 17:14 CET | Update | - |
| article html file updated | 27 September 2017 06:34 CEST | Update | - |
| article xml uploaded. | 27 September 2017 06:33 CEST | Update | https://www.mdpi.com/2075-4434/5/4/58/xml |
| article pdf uploaded. | 27 September 2017 06:33 CEST | Updated version of record | https://www.mdpi.com/2075-4434/5/4/58/pdf |
| article html file updated | 26 September 2017 14:49 CEST | Original file | - |
| article xml uploaded. | 26 September 2017 14:48 CEST | Original file | - |
| article pdf uploaded. | 26 September 2017 14:48 CEST | Version of Record | https://www.mdpi.com/2075-4434/5/4/58/pdf-vor |
