| article html file updated | 6 February 2020 00:56 CET | Update | https://www.mdpi.com/2072-6694/5/1/255 |
| article html file updated | 8 May 2019 07:29 CEST | Update | N/A |
| article html file updated | 20 March 2019 19:39 CET | Update | N/A |
| article html file updated | 17 June 2015 07:23 CEST | Update | N/A |
| article html file updated | 6 August 2013 15:29 CEST | Original file | N/A |
| article xml file uploaded | 6 August 2013 15:29 CEST | Original file | https://www.mdpi.com/2072-6694/5/1/255/xml |
| article pdf uploaded. | 11 March 2013 16:14 CET | Version of Record | https://www.mdpi.com/2072-6694/5/1/255/pdf |
