| article html file updated | 8 February 2020 18:26 CET | Update | https://www.mdpi.com/2075-4434/5/4/63 |
| article html file updated | 27 September 2019 18:20 CEST | Update | - |
| article html file updated | 2 May 2019 21:19 CEST | Update | - |
| article html file updated | 2 January 2018 17:11 CET | Update | - |
| article html file updated | 16 October 2017 06:38 CEST | Update | - |
| article xml uploaded. | 16 October 2017 06:36 CEST | Update | https://www.mdpi.com/2075-4434/5/4/63/xml |
| article pdf uploaded. | 16 October 2017 06:36 CEST | Updated version of record | https://www.mdpi.com/2075-4434/5/4/63/pdf |
| article html file updated | 13 October 2017 14:50 CEST | Original file | - |
| article xml uploaded. | 13 October 2017 14:49 CEST | Update | - |
| article xml uploaded. | 13 October 2017 14:49 CEST | Original file | - |
| article pdf uploaded. | 13 October 2017 14:49 CEST | Version of Record | https://www.mdpi.com/2075-4434/5/4/63/pdf-vor |
