| article html file updated | 7 February 2020 17:44 CET | Update | https://www.mdpi.com/2078-2489/7/4/66 |
| article html file updated | 22 September 2019 05:08 CEST | Update | - |
| article html file updated | 4 May 2019 23:02 CEST | Update | - |
| article html file updated | 29 December 2016 11:07 CET | Update | - |
| article html file updated | 9 November 2016 11:17 CET | Original file | - |
| article xml uploaded. | 9 November 2016 11:15 CET | Update | https://www.mdpi.com/2078-2489/7/4/66/xml |
| article xml uploaded. | 9 November 2016 11:15 CET | Original file | - |
| article pdf uploaded. | 9 November 2016 11:15 CET | Version of Record | https://www.mdpi.com/2078-2489/7/4/66/pdf |
