| article html file updated | 7 February 2020 14:08 CET | Update | https://www.mdpi.com/1424-8220/16/9/1391 |
| article html file updated | 5 May 2019 05:39 CEST | Update | N/A |
| article html file updated | 27 March 2019 15:21 CET | Update | N/A |
| article html file updated | 27 September 2016 06:48 CEST | Update | N/A |
| article html file updated | 30 August 2016 12:57 CEST | Original file | N/A |
| article xml uploaded. | 30 August 2016 12:55 CEST | Original file | https://www.mdpi.com/1424-8220/16/9/1391/xml |
| article pdf uploaded. | 30 August 2016 12:55 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/9/1391/pdf |
