| article html file updated | 8 February 2020 23:19 CET | Update | https://www.mdpi.com/2073-4360/9/12/679 |
| article html file updated | 29 September 2019 00:47 CEST | Update | N/A |
| article html file updated | 2 May 2019 10:16 CEST | Update | N/A |
| article html file updated | 18 April 2019 07:55 CEST | Update | N/A |
| article html file updated | 2 January 2018 14:40 CET | Update | N/A |
| article html file updated | 6 December 2017 11:19 CET | Original file | N/A |
| article xml uploaded. | 6 December 2017 11:17 CET | Update | https://www.mdpi.com/2073-4360/9/12/679/xml |
| article xml uploaded. | 6 December 2017 11:17 CET | Original file | N/A |
| article pdf uploaded. | 6 December 2017 11:17 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/679/pdf |
