| article html file updated | 6 February 2020 18:50 CET | Update | https://www.mdpi.com/2218-273X/5/2/1012 |
| article html file updated | 6 May 2019 19:35 CEST | Update | N/A |
| article html file updated | 26 March 2019 03:05 CET | Update | N/A |
| article html file updated | 21 August 2015 12:26 CEST | Update | N/A |
| article html file updated | 9 July 2015 09:49 CEST | Original file | N/A |
| article xml file uploaded | 9 July 2015 09:49 CEST | Original file | https://www.mdpi.com/2218-273X/5/2/1012/xml |
| article pdf uploaded. | 21 May 2015 11:16 CEST | Version of Record | https://www.mdpi.com/2218-273X/5/2/1012/pdf |
