| article html file updated | 6 February 2020 12:56 CET | Update | https://www.mdpi.com/2072-6643/6/10/4421 |
| article html file updated | 20 September 2019 13:52 CEST | Update | N/A |
| article html file updated | 7 May 2019 06:55 CEST | Update | N/A |
| article html file updated | 22 March 2019 02:52 CET | Update | N/A |
| article html file updated | 20 August 2015 23:32 CEST | Update | N/A |
| article html file updated | 28 October 2014 11:32 CET | Original file | N/A |
| article xml file uploaded | 28 October 2014 11:32 CET | Original file | https://www.mdpi.com/2072-6643/6/10/4421/xml |
| article pdf uploaded. | 17 October 2014 12:45 CEST | Version of Record | https://www.mdpi.com/2072-6643/6/10/4421/pdf |
