| article html file updated | 6 February 2020 23:32 CET | Update | https://www.mdpi.com/2306-5710/1/4/248 |
| article html file updated | 6 May 2019 09:49 CEST | Update | - |
| article html file updated | 26 March 2019 12:07 CET | Update | - |
| article html file updated | 11 November 2015 11:01 CET | Original file | - |
| article xml file uploaded | 11 November 2015 11:01 CET | Original file | https://www.mdpi.com/2306-5710/1/4/248/xml |
| article pdf uploaded. | 10 October 2015 03:48 CEST | Updated version of record | https://www.mdpi.com/2306-5710/1/4/248/pdf |
| article pdf uploaded. | 8 October 2015 11:38 CEST | Version of Record | https://www.mdpi.com/2306-5710/1/4/248/pdf-vor |
