| article html file updated | 8 February 2020 13:37 CET | Update | https://www.mdpi.com/2071-1050/9/8/1399 |
| article html file updated | 26 September 2019 13:36 CEST | Update | - |
| article html file updated | 3 May 2019 06:47 CEST | Update | - |
| article html file updated | 27 March 2019 21:00 CET | Update | - |
| article html file updated | 1 September 2017 06:20 CEST | Update | - |
| article html file updated | 15 August 2017 14:33 CEST | Original file | - |
| article xml uploaded. | 15 August 2017 14:32 CEST | Original file | https://www.mdpi.com/2071-1050/9/8/1399/xml |
| article pdf uploaded. | 15 August 2017 14:32 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/8/1399/pdf |
