| article html file updated | 8 February 2020 18:23 CET | Update | https://www.mdpi.com/2072-6694/9/10/136 |
| article html file updated | 27 September 2019 18:00 CEST | Update | - |
| article html file updated | 2 May 2019 21:26 CEST | Update | - |
| article html file updated | 6 November 2017 07:21 CET | Update | - |
| article html file updated | 13 October 2017 16:52 CEST | Original file | - |
| article xml uploaded. | 13 October 2017 16:51 CEST | Original file | https://www.mdpi.com/2072-6694/9/10/136/xml |
| article pdf uploaded. | 13 October 2017 16:51 CEST | Version of Record | https://www.mdpi.com/2072-6694/9/10/136/pdf |
