| article html file updated | 6 February 2020 15:52 CET | Update | https://www.mdpi.com/2072-6694/7/1/342 |
| article html file updated | 7 May 2019 01:09 CEST | Update | - |
| article html file updated | 25 March 2019 21:38 CET | Update | - |
| article html file updated | 21 August 2015 07:23 CEST | Update | - |
| article html file updated | 1 April 2015 11:10 CEST | Original file | - |
| article xml file uploaded | 1 April 2015 11:10 CEST | Original file | https://www.mdpi.com/2072-6694/7/1/342/xml |
| article pdf uploaded. | 10 February 2015 14:21 CET | Version of Record | https://www.mdpi.com/2072-6694/7/1/342/pdf |
