| article html file updated | 7 February 2020 13:57 CET | Update | https://www.mdpi.com/1660-3397/14/9/157 |
| article html file updated | 5 May 2019 05:59 CEST | Update | N/A |
| article html file updated | 27 March 2019 14:55 CET | Update | N/A |
| article html file updated | 27 September 2016 10:19 CEST | Update | N/A |
| article html file updated | 26 August 2016 11:44 CEST | Original file | N/A |
| article xml uploaded. | 26 August 2016 11:26 CEST | Original file | https://www.mdpi.com/1660-3397/14/9/157/xml |
| article pdf uploaded. | 26 August 2016 11:26 CEST | Version of Record | https://www.mdpi.com/1660-3397/14/9/157/pdf |
