| article html file updated | 6 February 2020 03:23 CET | Update | https://www.mdpi.com/2075-4450/4/3/392 |
| article html file updated | 8 May 2019 02:32 CEST | Update | - |
| article html file updated | 21 March 2019 01:48 CET | Update | - |
| article html file updated | 17 June 2015 11:36 CEST | Update | - |
| article html file updated | 27 January 2015 07:08 CET | Original file | - |
| article xml file uploaded | 27 January 2015 07:08 CET | Original file | https://www.mdpi.com/2075-4450/4/3/392/xml |
| article pdf uploaded. | 23 July 2013 14:43 CEST | Version of Record | https://www.mdpi.com/2075-4450/4/3/392/pdf |
