| article html file updated | 7 February 2020 18:47 CET | Update | https://www.mdpi.com/1999-4915/8/12/323 |
| article html file updated | 22 September 2019 07:39 CEST | Update | - |
| article html file updated | 4 May 2019 20:58 CEST | Update | - |
| article html file updated | 28 December 2016 08:45 CET | Update | - |
| article html file updated | 29 November 2016 14:10 CET | Original file | - |
| article xml uploaded. | 29 November 2016 14:08 CET | Original file | https://www.mdpi.com/1999-4915/8/12/323/xml |
| article pdf uploaded. | 29 November 2016 14:08 CET | Version of Record | https://www.mdpi.com/1999-4915/8/12/323/pdf |
