| article html file updated | 9 February 2020 00:28 CET | Update | https://www.mdpi.com/1999-4893/10/4/140 |
| article html file updated | 29 September 2019 07:30 CEST | Update | - |
| article html file updated | 2 May 2019 07:44 CEST | Update | - |
| article html file updated | 18 April 2019 05:34 CEST | Update | - |
| article html file updated | 2 January 2018 16:36 CET | Update | - |
| article html file updated | 19 December 2017 10:29 CET | Original file | - |
| article xml uploaded. | 19 December 2017 10:28 CET | Original file | https://www.mdpi.com/1999-4893/10/4/140/xml |
| article pdf uploaded. | 19 December 2017 10:28 CET | Updated version of record | https://www.mdpi.com/1999-4893/10/4/140/pdf |
| article pdf uploaded. | 18 December 2017 17:00 CET | Version of Record | https://www.mdpi.com/1999-4893/10/4/140/pdf-vor |
