| article html file updated | 8 February 2020 11:49 CET | Update | https://www.mdpi.com/2073-4360/9/7/301 |
| article html file updated | 26 September 2019 03:08 CEST | Update | - |
| article html file updated | 3 May 2019 10:45 CEST | Update | - |
| article html file updated | 27 March 2019 17:20 CET | Update | - |
| article html file updated | 2 August 2017 04:17 CEST | Update | - |
| article html file updated | 25 July 2017 09:49 CEST | Original file | - |
| article xml uploaded. | 25 July 2017 09:48 CEST | Original file | https://www.mdpi.com/2073-4360/9/7/301/xml |
| article pdf uploaded. | 25 July 2017 09:48 CEST | Updated version of record | https://www.mdpi.com/2073-4360/9/7/301/pdf |
| article pdf uploaded. | 23 July 2017 13:03 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/7/301/pdf-vor |
