| article html file updated | 7 February 2020 23:34 CET | Update | https://www.mdpi.com/2072-6643/9/2/146 |
| article html file updated | 23 September 2019 08:55 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:54 CEST | Update | N/A |
| article html file updated | 2 March 2017 03:52 CET | Update | N/A |
| article html file updated | 16 February 2017 12:55 CET | Original file | N/A |
| article xml uploaded. | 16 February 2017 12:54 CET | Original file | https://www.mdpi.com/2072-6643/9/2/146/xml |
| article pdf uploaded. | 16 February 2017 12:54 CET | Version of Record | https://www.mdpi.com/2072-6643/9/2/146/pdf |
