| article html file updated | 6 February 2020 16:07 CET | Update | https://www.mdpi.com/2071-1050/7/3/2274 |
| article html file updated | 7 May 2019 00:40 CEST | Update | - |
| article html file updated | 25 March 2019 22:03 CET | Update | - |
| article html file updated | 21 August 2015 07:55 CEST | Update | - |
| article html file updated | 5 March 2015 11:20 CET | Original file | - |
| article xml file uploaded | 5 March 2015 11:20 CET | Original file | https://www.mdpi.com/2071-1050/7/3/2274/xml |
| article pdf uploaded. | 25 February 2015 08:22 CET | Version of Record | https://www.mdpi.com/2071-1050/7/3/2274/pdf |
