| article html file updated | 6 February 2020 04:10 CET | Update | https://www.mdpi.com/2072-6643/5/9/3461 |
| article html file updated | 20 September 2019 00:42 CEST | Update | N/A |
| article html file updated | 8 May 2019 00:54 CEST | Update | N/A |
| article html file updated | 21 March 2019 04:04 CET | Update | N/A |
| article html file updated | 17 June 2015 12:52 CEST | Update | N/A |
| article html file updated | 25 October 2013 09:51 CEST | Original file | N/A |
| article xml file uploaded | 25 October 2013 09:51 CEST | Original file | https://www.mdpi.com/2072-6643/5/9/3461/xml |
| article pdf uploaded. | 3 September 2013 17:04 CEST | Version of Record | https://www.mdpi.com/2072-6643/5/9/3461/pdf |
