| article html file updated | 8 February 2020 18:04 CET | Update | https://www.mdpi.com/1999-4893/10/4/115 |
| article html file updated | 27 September 2019 15:35 CEST | Update | - |
| article html file updated | 2 May 2019 22:08 CEST | Update | - |
| article html file updated | 2 January 2018 16:34 CET | Update | - |
| article html file updated | 10 October 2017 15:54 CEST | Original file | - |
| article xml uploaded. | 10 October 2017 15:53 CEST | Original file | https://www.mdpi.com/1999-4893/10/4/115/xml |
| article pdf uploaded. | 10 October 2017 15:53 CEST | Version of Record | https://www.mdpi.com/1999-4893/10/4/115/pdf |
