| article html file updated | 6 February 2020 09:24 CET | Update | https://www.mdpi.com/2073-4360/6/5/1528 |
| article html file updated | 7 May 2019 14:16 CEST | Update | - |
| article html file updated | 21 March 2019 17:23 CET | Update | - |
| article html file updated | 20 August 2015 07:48 CEST | Update | - |
| article html file updated | 27 June 2014 06:43 CEST | Original file | - |
| article xml file uploaded | 27 June 2014 06:43 CEST | Original file | https://www.mdpi.com/2073-4360/6/5/1528/xml |
| article pdf uploaded. | 23 May 2014 14:55 CEST | Updated version of record | https://www.mdpi.com/2073-4360/6/5/1528/pdf |
| article pdf uploaded. | 21 May 2014 15:08 CEST | Version of Record | https://www.mdpi.com/2073-4360/6/5/1528/pdf-vor |
