| article html file updated | 8 February 2020 15:52 CET | Update | https://www.mdpi.com/2073-4344/7/9/266 |
| article html file updated | 27 September 2019 01:41 CEST | Update | N/A |
| article html file updated | 3 May 2019 02:35 CEST | Update | N/A |
| article html file updated | 26 September 2017 06:23 CEST | Update | N/A |
| article html file updated | 11 September 2017 12:18 CEST | Original file | N/A |
| article xml uploaded. | 11 September 2017 12:16 CEST | Update | https://www.mdpi.com/2073-4344/7/9/266/xml |
| article xml uploaded. | 11 September 2017 12:16 CEST | Original file | N/A |
| article pdf uploaded. | 11 September 2017 12:16 CEST | Version of Record | https://www.mdpi.com/2073-4344/7/9/266/pdf |
