| article html file updated | 8 February 2020 08:37 CET | Update | https://www.mdpi.com/2073-4360/9/6/232 |
| article html file updated | 25 September 2019 10:13 CEST | Update | - |
| article html file updated | 3 May 2019 16:49 CEST | Update | - |
| article html file updated | 18 March 2019 06:01 CET | Update | - |
| article html file updated | 28 June 2017 14:25 CEST | Update | - |
| article html file updated | 19 June 2017 13:51 CEST | Update | - |
| article xml uploaded. | 19 June 2017 13:50 CEST | Update | https://www.mdpi.com/2073-4360/9/6/232/xml |
| article pdf uploaded. | 19 June 2017 13:50 CEST | Updated version of record | https://www.mdpi.com/2073-4360/9/6/232/pdf |
| article html file updated | 18 June 2017 22:31 CEST | Original file | - |
| article pdf uploaded. | 18 June 2017 13:10 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/6/232/pdf-vor |
