| article html file updated | 6 February 2020 17:08 CET | Update | https://www.mdpi.com/2072-6694/7/2/574 |
| article html file updated | 6 May 2019 22:52 CEST | Update | - |
| article html file updated | 25 March 2019 23:49 CET | Update | - |
| article html file updated | 21 August 2015 09:39 CEST | Update | - |
| article html file updated | 7 July 2015 04:43 CEST | Original file | - |
| article xml file uploaded | 7 July 2015 04:43 CEST | Original file | https://www.mdpi.com/2072-6694/7/2/574/xml |
| article pdf uploaded. | 30 March 2015 15:33 CEST | Version of Record | https://www.mdpi.com/2072-6694/7/2/574/pdf |
