| article html file updated | 6 February 2020 01:25 CET | Update | https://www.mdpi.com/2076-3263/3/2/140 |
| article html file updated | 8 May 2019 06:28 CEST | Update | - |
| article html file updated | 20 March 2019 20:46 CET | Update | - |
| article html file updated | 17 June 2015 08:14 CEST | Update | - |
| article html file updated | 14 August 2014 11:41 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:41 CEST | Update | https://www.mdpi.com/2076-3263/3/2/140/xml |
| article html file updated | 14 August 2014 11:21 CEST | Original file | - |
| article xml file uploaded | 14 August 2014 11:21 CEST | Original file | - |
| article pdf uploaded. | 9 April 2013 10:43 CEST | Version of Record | https://www.mdpi.com/2076-3263/3/2/140/pdf |
