| article html file updated | 6 February 2020 09:28 CET | Update | https://www.mdpi.com/2073-4360/6/5/1544 |
| article html file updated | 7 May 2019 14:08 CEST | Update | - |
| article html file updated | 21 March 2019 17:32 CET | Update | - |
| article html file updated | 20 August 2015 08:06 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/2073-4360/6/5/1544/xml |
| article pdf uploaded. | 26 May 2014 08:56 CEST | Updated version of record | https://www.mdpi.com/2073-4360/6/5/1544/pdf |
| article pdf uploaded. | 23 May 2014 13:17 CEST | Version of Record | https://www.mdpi.com/2073-4360/6/5/1544/pdf-vor |
