| article html file updated | 8 February 2020 17:02 CET | Update | https://www.mdpi.com/2073-4360/9/10/469 |
| article html file updated | 27 September 2019 08:18 CEST | Update | - |
| article html file updated | 3 May 2019 00:20 CEST | Update | - |
| article html file updated | 1 November 2017 02:33 CET | Update | - |
| article html file updated | 25 September 2017 13:04 CEST | Original file | - |
| article xml uploaded. | 25 September 2017 13:03 CEST | Original file | https://www.mdpi.com/2073-4360/9/10/469/xml |
| article pdf uploaded. | 25 September 2017 13:03 CEST | Updated version of record | https://www.mdpi.com/2073-4360/9/10/469/pdf |
| article pdf uploaded. | 24 September 2017 10:51 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/10/469/pdf-vor |
