| article html file updated | 8 February 2020 20:25 CET | Update | https://www.mdpi.com/2218-2004/5/4/43 |
| article html file updated | 28 September 2019 06:17 CEST | Update | - |
| article html file updated | 2 May 2019 16:48 CEST | Update | - |
| article html file updated | 2 January 2018 13:19 CET | Update | - |
| article html file updated | 9 November 2017 08:59 CET | Update | - |
| article xml uploaded. | 9 November 2017 08:57 CET | Update | https://www.mdpi.com/2218-2004/5/4/43/xml |
| article pdf uploaded. | 9 November 2017 08:57 CET | Updated version of record | https://www.mdpi.com/2218-2004/5/4/43/pdf |
| article html file updated | 6 November 2017 07:58 CET | Original file | - |
| article xml uploaded. | 6 November 2017 07:22 CET | Original file | - |
| article pdf uploaded. | 6 November 2017 07:22 CET | Version of Record | https://www.mdpi.com/2218-2004/5/4/43/pdf-vor |
