| article html file updated | 8 February 2020 04:05 CET | Update | https://www.mdpi.com/1999-4893/10/2/44 |
| article html file updated | 24 September 2019 10:37 CEST | Update | - |
| article html file updated | 4 May 2019 01:17 CEST | Update | - |
| article html file updated | 28 June 2017 12:25 CEST | Update | - |
| article html file updated | 24 April 2017 13:36 CEST | Original file | - |
| article xml uploaded. | 24 April 2017 13:34 CEST | Original file | https://www.mdpi.com/1999-4893/10/2/44/xml |
| article pdf uploaded. | 24 April 2017 13:34 CEST | Updated version of record | https://www.mdpi.com/1999-4893/10/2/44/pdf |
| article pdf uploaded. | 21 April 2017 12:09 CEST | Version of Record | https://www.mdpi.com/1999-4893/10/2/44/pdf-vor |
