| article html file updated | 8 February 2020 07:38 CET | Update | https://www.mdpi.com/2075-4701/7/6/210 |
| article html file updated | 25 September 2019 05:07 CEST | Update | N/A |
| article html file updated | 3 May 2019 18:40 CEST | Update | N/A |
| article html file updated | 28 June 2017 14:02 CEST | Update | N/A |
| article html file updated | 7 June 2017 10:45 CEST | Original file | N/A |
| article xml uploaded. | 7 June 2017 10:44 CEST | Update | https://www.mdpi.com/2075-4701/7/6/210/xml |
| article pdf uploaded. | 7 June 2017 10:44 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/6/210/pdf |
