| article html file updated | 8 February 2020 10:28 CET | Update | https://www.mdpi.com/2076-3387/7/3/22 |
| article html file updated | 3 May 2019 13:22 CEST | Update | - |
| article html file updated | 27 October 2017 09:17 CEST | Update | - |
| article html file updated | 8 July 2017 08:59 CEST | Original file | - |
| article xml uploaded. | 8 July 2017 08:58 CEST | Original file | https://www.mdpi.com/2076-3387/7/3/22/xml |
| article pdf uploaded. | 8 July 2017 08:58 CEST | Version of Record | https://www.mdpi.com/2076-3387/7/3/22/pdf |
