| article html file updated | 8 February 2020 23:50 CET | Update | https://www.mdpi.com/2073-4360/9/12/702 |
| article html file updated | 29 September 2019 03:47 CEST | Update | N/A |
| article html file updated | 2 May 2019 09:05 CEST | Update | N/A |
| article html file updated | 18 April 2019 06:49 CEST | Update | N/A |
| article html file updated | 2 January 2018 14:47 CET | Update | N/A |
| article html file updated | 12 December 2017 12:22 CET | Original file | N/A |
| article xml uploaded. | 12 December 2017 12:20 CET | Original file | https://www.mdpi.com/2073-4360/9/12/702/xml |
| article pdf uploaded. | 12 December 2017 12:20 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/702/pdf |
