| article html file updated | 7 February 2020 20:24 CET | Update | https://www.mdpi.com/2072-4292/9/1/12 |
| article html file updated | 22 September 2019 15:44 CEST | Update | N/A |
| article html file updated | 4 May 2019 17:37 CEST | Update | N/A |
| article html file updated | 8 February 2017 10:13 CET | Update | N/A |
| article html file updated | 27 December 2016 12:28 CET | Original file | N/A |
| article xml uploaded. | 27 December 2016 12:26 CET | Original file | https://www.mdpi.com/2072-4292/9/1/12/xml |
| article pdf uploaded. | 27 December 2016 12:26 CET | Version of Record | https://www.mdpi.com/2072-4292/9/1/12/pdf |
