| article html file updated | 6 February 2020 02:32 CET | Update | https://www.mdpi.com/2072-666X/4/2/243 |
| article html file updated | 8 May 2019 04:15 CEST | Update | N/A |
| article html file updated | 20 March 2019 23:35 CET | Update | N/A |
| article html file updated | 17 June 2015 10:05 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:04 CEST | Original file | N/A |
| article xml file uploaded | 14 August 2014 12:04 CEST | Original file | https://www.mdpi.com/2072-666X/4/2/243/xml |
| article pdf uploaded. | 7 June 2013 09:52 CEST | Version of Record | https://www.mdpi.com/2072-666X/4/2/243/pdf |
