| article html file updated | 7 February 2020 21:08 CET | Update | https://www.mdpi.com/2072-4292/9/1/54 |
| article html file updated | 22 September 2019 19:44 CEST | Update | N/A |
| article html file updated | 4 May 2019 16:03 CEST | Update | N/A |
| article html file updated | 8 February 2017 10:28 CET | Update | N/A |
| article html file updated | 10 January 2017 14:44 CET | Original file | N/A |
| article xml uploaded. | 10 January 2017 14:42 CET | Original file | https://www.mdpi.com/2072-4292/9/1/54/xml |
| article pdf uploaded. | 10 January 2017 14:42 CET | Version of Record | https://www.mdpi.com/2072-4292/9/1/54/pdf |
