| article html file updated | 6 February 2020 01:14 CET | Update | https://www.mdpi.com/2075-1729/3/2/295 |
| article html file updated | 8 May 2019 06:53 CEST | Update | N/A |
| article html file updated | 20 March 2019 20:19 CET | Update | N/A |
| article html file updated | 17 June 2015 07:56 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/2075-1729/3/2/295/xml |
| article pdf uploaded. | 26 March 2013 18:04 CET | Version of Record | https://www.mdpi.com/2075-1729/3/2/295/pdf |
