| article html file updated | 6 February 2020 05:39 CET | Update | https://www.mdpi.com/2073-4468/2/4/587 |
| article html file updated | 7 May 2019 21:55 CEST | Update | N/A |
| article html file updated | 21 March 2019 07:55 CET | Update | N/A |
| article html file updated | 19 August 2015 10:05 CEST | Update | N/A |
| article html file updated | 27 November 2014 04:17 CET | Original file | N/A |
| article xml file uploaded | 27 November 2014 04:17 CET | Original file | https://www.mdpi.com/2073-4468/2/4/587/xml |
| article pdf uploaded. | 20 November 2013 09:45 CET | Version of Record | https://www.mdpi.com/2073-4468/2/4/587/pdf |
