| article html file updated | 8 February 2020 16:01 CET | Update | https://www.mdpi.com/2079-6412/7/9/144 |
| article html file updated | 27 September 2019 02:30 CEST | Update | N/A |
| article html file updated | 3 May 2019 02:18 CEST | Update | N/A |
| article html file updated | 26 September 2017 06:28 CEST | Update | N/A |
| article html file updated | 12 September 2017 12:26 CEST | Original file | N/A |
| article xml uploaded. | 12 September 2017 12:24 CEST | Update | https://www.mdpi.com/2079-6412/7/9/144/xml |
| article xml uploaded. | 12 September 2017 12:24 CEST | Original file | N/A |
| article pdf uploaded. | 12 September 2017 12:24 CEST | Version of Record | https://www.mdpi.com/2079-6412/7/9/144/pdf |
