| article html file updated | 8 February 2020 19:25 CET | Update | https://www.mdpi.com/2075-4701/7/11/451 |
| article html file updated | 28 September 2019 00:03 CEST | Update | - |
| article html file updated | 2 May 2019 19:04 CEST | Update | - |
| article html file updated | 30 November 2017 10:26 CET | Update | - |
| article html file updated | 25 October 2017 16:04 CEST | Original file | - |
| article xml uploaded. | 25 October 2017 16:03 CEST | Update | https://www.mdpi.com/2075-4701/7/11/451/xml |
| article xml uploaded. | 25 October 2017 16:03 CEST | Original file | - |
| article pdf uploaded. | 25 October 2017 16:03 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/11/451/pdf |
