| article html file updated | 6 February 2020 03:29 CET | Update | https://www.mdpi.com/2076-0752/2/3/124 |
| article html file updated | 8 May 2019 02:21 CEST | Update | - |
| article html file updated | 21 March 2019 02:06 CET | Update | - |
| article html file updated | 17 June 2015 11:49 CEST | Update | - |
| article html file updated | 14 August 2014 11:40 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:40 CEST | Update | https://www.mdpi.com/2076-0752/2/3/124/xml |
| article html file updated | 14 August 2014 11:20 CEST | Original file | - |
| article xml file uploaded | 14 August 2014 11:20 CEST | Original file | - |
| article pdf uploaded. | 29 July 2013 11:08 CEST | Version of Record | https://www.mdpi.com/2076-0752/2/3/124/pdf |
