| article html file updated | 7 February 2020 20:30 CET | Update | https://www.mdpi.com/2072-4292/9/1/20 |
| article html file updated | 22 September 2019 16:17 CEST | Update | N/A |
| article html file updated | 4 May 2019 17:25 CEST | Update | N/A |
| article html file updated | 8 February 2017 10:17 CET | Update | N/A |
| article html file updated | 29 December 2016 11:12 CET | Original file | N/A |
| article xml uploaded. | 29 December 2016 11:04 CET | Update | https://www.mdpi.com/2072-4292/9/1/20/xml |
| article xml uploaded. | 29 December 2016 11:04 CET | Original file | N/A |
| article pdf uploaded. | 29 December 2016 11:04 CET | Version of Record | https://www.mdpi.com/2072-4292/9/1/20/pdf |
