| article html file updated | 7 February 2020 23:35 CET | Update | https://www.mdpi.com/2072-6643/9/2/147 |
| article html file updated | 23 September 2019 08:58 CEST | Update | - |
| article html file updated | 4 May 2019 10:53 CEST | Update | - |
| article html file updated | 2 March 2017 03:52 CET | Update | - |
| article html file updated | 16 February 2017 13:07 CET | Original file | - |
| article xml uploaded. | 16 February 2017 13:06 CET | Update | https://www.mdpi.com/2072-6643/9/2/147/xml |
| article xml uploaded. | 16 February 2017 13:06 CET | Original file | - |
| article pdf uploaded. | 16 February 2017 13:06 CET | Version of Record | https://www.mdpi.com/2072-6643/9/2/147/pdf |
