| article html file updated | 8 February 2020 19:43 CET | Update | https://www.mdpi.com/1999-4893/10/4/122 |
| article html file updated | 28 September 2019 01:55 CEST | Update | - |
| article html file updated | 2 May 2019 18:22 CEST | Update | - |
| article html file updated | 2 January 2018 16:35 CET | Update | - |
| article html file updated | 30 October 2017 02:03 CET | Original file | - |
| article xml uploaded. | 30 October 2017 02:02 CET | Original file | https://www.mdpi.com/1999-4893/10/4/122/xml |
| article pdf uploaded. | 30 October 2017 02:02 CET | Updated version of record | https://www.mdpi.com/1999-4893/10/4/122/pdf |
| article pdf uploaded. | 28 October 2017 10:44 CEST | Version of Record | https://www.mdpi.com/1999-4893/10/4/122/pdf-vor |
