| article html file updated | 7 February 2020 17:40 CET | Update | https://www.mdpi.com/2073-4360/8/11/391 |
| article html file updated | 22 September 2019 05:01 CEST | Update | N/A |
| article html file updated | 4 May 2019 23:11 CEST | Update | N/A |
| article html file updated | 15 March 2019 09:06 CET | Update | N/A |
| article html file updated | 1 December 2016 23:11 CET | Update | N/A |
| article html file updated | 8 November 2016 11:26 CET | Original file | N/A |
| article xml uploaded. | 8 November 2016 11:24 CET | Original file | https://www.mdpi.com/2073-4360/8/11/391/xml |
| article pdf uploaded. | 8 November 2016 11:24 CET | Version of Record | https://www.mdpi.com/2073-4360/8/11/391/pdf |
