| article html file updated | 8 February 2020 00:01 CET | Update | https://www.mdpi.com/2073-4441/9/2/150 |
| article html file updated | 23 September 2019 11:25 CEST | Update | - |
| article html file updated | 4 May 2019 09:59 CEST | Update | - |
| article html file updated | 1 March 2017 08:13 CET | Update | - |
| article html file updated | 22 February 2017 12:58 CET | Original file | - |
| article xml uploaded. | 22 February 2017 12:57 CET | Update | https://www.mdpi.com/2073-4441/9/2/150/xml |
| article xml uploaded. | 22 February 2017 12:56 CET | Original file | - |
| article pdf uploaded. | 22 February 2017 12:56 CET | Version of Record | https://www.mdpi.com/2073-4441/9/2/150/pdf |
