| article html file updated | 7 February 2020 08:04 CET | Update | https://www.mdpi.com/2072-6694/8/5/47 |
| article html file updated | 5 May 2019 17:02 CEST | Update | - |
| article html file updated | 27 March 2019 03:30 CET | Update | - |
| article html file updated | 26 May 2016 05:51 CEST | Update | - |
| article html file updated | 30 April 2016 09:44 CEST | Original file | - |
| article xml uploaded. | 30 April 2016 09:43 CEST | Update | https://www.mdpi.com/2072-6694/8/5/47/xml |
| article pdf uploaded. | 30 April 2016 09:43 CEST | Version of Record | https://www.mdpi.com/2072-6694/8/5/47/pdf |
