| article html file updated | 6 February 2020 11:09 CET | Update | https://www.mdpi.com/2304-6740/2/3/396 |
| article html file updated | 7 May 2019 10:41 CEST | Update | - |
| article html file updated | 21 March 2019 22:10 CET | Update | - |
| article html file updated | 20 August 2015 14:15 CEST | Update | - |
| article html file updated | 26 September 2014 09:54 CEST | Original file | - |
| article xml file uploaded | 26 September 2014 09:54 CEST | Original file | https://www.mdpi.com/2304-6740/2/3/396/xml |
| article pdf uploaded. | 5 August 2014 13:52 CEST | Updated version of record | https://www.mdpi.com/2304-6740/2/3/396/pdf |
| article pdf uploaded. | 31 July 2014 14:52 CEST | Version of Record | https://www.mdpi.com/2304-6740/2/3/396/pdf-vor |
