| article html file updated | 21 March 2019 11:57 CET | Update | https://www.mdpi.com/2076-2615/4/1/35 |
| article html file updated | 19 August 2015 19:32 CEST | Update | - |
| article html file updated | 10 November 2014 07:30 CET | Update | - |
| article xml file uploaded | 10 November 2014 07:30 CET | Update | https://www.mdpi.com/2076-2615/4/1/35/xml |
| article html file updated | 14 August 2014 11:40 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:40 CEST | Update | - |
| 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. | 10 February 2014 15:43 CET | Updated version of record | https://www.mdpi.com/2076-2615/4/1/35/pdf |
| article pdf uploaded. | 3 February 2014 09:42 CET | Version of Record | https://www.mdpi.com/2076-2615/4/1/35/pdf-vor |