| article html file updated | 7 February 2020 23:35 CET | Update | https://www.mdpi.com/2072-6643/9/2/150 |
| article html file updated | 23 September 2019 09:01 CEST | Update | - |
| article html file updated | 4 May 2019 10:52 CEST | Update | - |
| article html file updated | 2 March 2017 03:52 CET | Update | - |
| article html file updated | 19 February 2017 03:09 CET | Original file | - |
| article xml uploaded. | 19 February 2017 03:08 CET | Original file | https://www.mdpi.com/2072-6643/9/2/150/xml |
| article pdf uploaded. | 19 February 2017 03:08 CET | Updated version of record | https://www.mdpi.com/2072-6643/9/2/150/pdf |
| article pdf uploaded. | 16 February 2017 15:45 CET | Version of Record | https://www.mdpi.com/2072-6643/9/2/150/pdf-vor |
