| article html file updated | 8 February 2020 09:38 CET | Update | https://www.mdpi.com/2073-4360/9/7/254 |
| article html file updated | 25 September 2019 15:36 CEST | Update | - |
| article html file updated | 3 May 2019 14:55 CEST | Update | - |
| article html file updated | 15 March 2019 10:13 CET | Update | - |
| article html file updated | 2 August 2017 04:19 CEST | Update | - |
| article html file updated | 29 June 2017 14:54 CEST | Original file | - |
| article xml uploaded. | 29 June 2017 14:52 CEST | Original file | https://www.mdpi.com/2073-4360/9/7/254/xml |
| article pdf uploaded. | 29 June 2017 14:52 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/7/254/pdf |
