| article html file updated | 8 February 2020 16:15 CET | Update | https://www.mdpi.com/2073-4425/8/9/228 |
| article html file updated | 27 September 2019 03:51 CEST | Update | N/A |
| article html file updated | 3 May 2019 01:52 CEST | Update | N/A |
| article html file updated | 30 September 2017 10:27 CEST | Update | N/A |
| article html file updated | 15 September 2017 09:33 CEST | Original file | N/A |
| article xml uploaded. | 15 September 2017 09:32 CEST | Update | https://www.mdpi.com/2073-4425/8/9/228/xml |
| article xml uploaded. | 15 September 2017 09:32 CEST | Original file | N/A |
| article pdf uploaded. | 15 September 2017 09:32 CEST | Version of Record | https://www.mdpi.com/2073-4425/8/9/228/pdf |
