| article html file updated | 7 February 2020 15:08 CET | Update | https://www.mdpi.com/2073-4360/8/9/343 |
| article html file updated | 5 May 2019 03:50 CEST | Update | N/A |
| article html file updated | 27 September 2016 11:44 CEST | Update | N/A |
| article html file updated | 19 September 2016 08:51 CEST | Original file | N/A |
| article xml uploaded. | 19 September 2016 08:50 CEST | Update | https://www.mdpi.com/2073-4360/8/9/343/xml |
| article xml uploaded. | 19 September 2016 08:50 CEST | Original file | N/A |
| article pdf uploaded. | 19 September 2016 08:50 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/9/343/pdf |
