| article html file updated | 8 February 2020 16:17 CET | Update | https://www.mdpi.com/2073-4441/9/9/708 |
| article html file updated | 27 September 2019 03:58 CEST | Update | N/A |
| article html file updated | 3 May 2019 01:49 CEST | Update | N/A |
| article html file updated | 30 September 2017 11:13 CEST | Update | N/A |
| article html file updated | 18 September 2017 03:45 CEST | Original file | N/A |
| article xml uploaded. | 18 September 2017 03:44 CEST | Update | https://www.mdpi.com/2073-4441/9/9/708/xml |
| article xml uploaded. | 18 September 2017 03:44 CEST | Update | N/A |
| article xml uploaded. | 18 September 2017 03:44 CEST | Original file | N/A |
| article pdf uploaded. | 18 September 2017 03:44 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/9/708/pdf |
| article pdf uploaded. | 15 September 2017 11:21 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/9/708/pdf-vor |
