| article html file updated | 6 February 2020 03:39 CET | Update | https://www.mdpi.com/2075-1729/3/3/482 |
| article html file updated | 19 September 2019 23:43 CEST | Update | N/A |
| article html file updated | 8 May 2019 02:01 CEST | Update | N/A |
| article html file updated | 21 March 2019 02:33 CET | Update | N/A |
| article html file updated | 17 June 2015 12:05 CEST | Update | N/A |
| article html file updated | 24 July 2014 10:34 CEST | Original file | N/A |
| article xml file uploaded | 24 July 2014 10:34 CEST | Original file | https://www.mdpi.com/2075-1729/3/3/482/xml |
| article pdf uploaded. | 7 August 2013 10:49 CEST | Version of Record | https://www.mdpi.com/2075-1729/3/3/482/pdf |
