| article html file updated | 7 February 2020 15:39 CET | Update | https://www.mdpi.com/1999-4915/8/10/268 |
| article html file updated | 5 May 2019 02:54 CEST | Update | - |
| article html file updated | 31 October 2016 06:47 CET | Update | - |
| article html file updated | 27 September 2016 14:25 CEST | Original file | - |
| article xml uploaded. | 27 September 2016 14:23 CEST | Update | https://www.mdpi.com/1999-4915/8/10/268/xml |
| article xml uploaded. | 27 September 2016 14:23 CEST | Original file | - |
| article pdf uploaded. | 27 September 2016 14:23 CEST | Version of Record | https://www.mdpi.com/1999-4915/8/10/268/pdf |
