| article html file updated | 8 February 2020 07:08 CET | Update | https://www.mdpi.com/2076-3387/7/2/17 |
| article html file updated | 25 September 2019 02:32 CEST | Update | - |
| article html file updated | 3 May 2019 19:37 CEST | Update | - |
| article html file updated | 27 October 2017 09:18 CEST | Update | - |
| article html file updated | 7 June 2017 05:07 CEST | Original file | - |
| article xml uploaded. | 7 June 2017 05:06 CEST | Update | https://www.mdpi.com/2076-3387/7/2/17/xml |
| article pdf uploaded. | 1 June 2017 12:06 CEST | Version of Record | https://www.mdpi.com/2076-3387/7/2/17/pdf |
