| article html file updated | 8 February 2020 00:01 CET | Update | https://www.mdpi.com/2073-4441/9/2/148 |
| article html file updated | 23 September 2019 11:28 CEST | Update | N/A |
| article html file updated | 4 May 2019 09:58 CEST | Update | N/A |
| article html file updated | 1 March 2017 08:13 CET | Update | N/A |
| article html file updated | 22 February 2017 14:31 CET | Original file | N/A |
| article xml uploaded. | 22 February 2017 14:29 CET | Original file | https://www.mdpi.com/2073-4441/9/2/148/xml |
| article pdf uploaded. | 22 February 2017 14:29 CET | Version of Record | https://www.mdpi.com/2073-4441/9/2/148/pdf |
