| article html file updated | 8 February 2020 00:51 CET | Update | https://www.mdpi.com/1999-4893/10/1/34 |
| article html file updated | 23 September 2019 16:24 CEST | Update | - |
| article html file updated | 4 May 2019 08:02 CEST | Update | - |
| article html file updated | 28 March 2017 11:55 CEST | Update | - |
| article html file updated | 8 March 2017 11:42 CET | Original file | - |
| article xml uploaded. | 8 March 2017 11:41 CET | Update | https://www.mdpi.com/1999-4893/10/1/34/xml |
| article pdf uploaded. | 8 March 2017 11:41 CET | Updated version of record | https://www.mdpi.com/1999-4893/10/1/34/pdf |
| article pdf uploaded. | 6 March 2017 10:36 CET | Version of Record | https://www.mdpi.com/1999-4893/10/1/34/pdf-vor |
