| article html file updated | 8 February 2020 11:43 CET | Update | https://www.mdpi.com/2073-4360/9/7/297 |
| article html file updated | 26 September 2019 02:34 CEST | Update | - |
| article html file updated | 3 May 2019 10:58 CEST | Update | - |
| article html file updated | 27 March 2019 17:07 CET | Update | - |
| article html file updated | 2 August 2017 04:16 CEST | Update | - |
| article html file updated | 24 July 2017 13:23 CEST | Original file | - |
| article xml uploaded. | 24 July 2017 13:22 CEST | Original file | https://www.mdpi.com/2073-4360/9/7/297/xml |
| article pdf uploaded. | 24 July 2017 13:22 CEST | Updated version of record | https://www.mdpi.com/2073-4360/9/7/297/pdf |
| article pdf uploaded. | 21 July 2017 15:58 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/7/297/pdf-vor |
