| article html file updated | 6 February 2020 08:32 CET | Update | https://www.mdpi.com/2072-6651/6/4/1325 |
| article html file updated | 7 May 2019 16:02 CEST | Update | N/A |
| article html file updated | 21 March 2019 15:22 CET | Update | N/A |
| article html file updated | 20 August 2015 02:55 CEST | Update | N/A |
| article html file updated | 12 May 2014 15:33 CEST | Original file | N/A |
| article xml file uploaded | 12 May 2014 15:33 CEST | Original file | https://www.mdpi.com/2072-6651/6/4/1325/xml |
| article pdf uploaded. | 11 April 2014 09:10 CEST | Version of Record | https://www.mdpi.com/2072-6651/6/4/1325/pdf |
