| article html file updated | 8 February 2020 17:48 CET | Update | https://www.mdpi.com/2218-2004/5/4/36 |
| article html file updated | 27 September 2019 13:22 CEST | Update | N/A |
| article html file updated | 2 May 2019 22:43 CEST | Update | N/A |
| article html file updated | 2 January 2018 13:16 CET | Update | N/A |
| article html file updated | 10 October 2017 13:30 CEST | Original file | N/A |
| article xml uploaded. | 10 October 2017 13:28 CEST | Original file | https://www.mdpi.com/2218-2004/5/4/36/xml |
| article pdf uploaded. | 10 October 2017 13:28 CEST | Updated version of record | https://www.mdpi.com/2218-2004/5/4/36/pdf |
| article pdf uploaded. | 4 October 2017 10:37 CEST | Version of Record | https://www.mdpi.com/2218-2004/5/4/36/pdf-vor |
