| article html file updated | 8 February 2020 21:27 CET | Update | https://www.mdpi.com/2073-4395/7/4/76 |
| article html file updated | 28 September 2019 13:11 CEST | Update | - |
| article html file updated | 2 May 2019 14:25 CEST | Update | - |
| article html file updated | 18 April 2019 12:05 CEST | Update | - |
| article html file updated | 2 January 2018 13:11 CET | Update | - |
| article html file updated | 17 November 2017 12:59 CET | Original file | - |
| article xml uploaded. | 17 November 2017 12:58 CET | Original file | https://www.mdpi.com/2073-4395/7/4/76/xml |
| article pdf uploaded. | 17 November 2017 12:58 CET | Version of Record | https://www.mdpi.com/2073-4395/7/4/76/pdf |
