| article html file updated | 7 February 2020 14:23 CET | Update | https://www.mdpi.com/1424-8220/16/9/1422 |
| article html file updated | 5 May 2019 05:12 CEST | Update | N/A |
| article html file updated | 27 March 2019 15:55 CET | Update | N/A |
| article html file updated | 27 September 2016 06:59 CEST | Update | N/A |
| article html file updated | 2 September 2016 12:49 CEST | Original file | N/A |
| article xml uploaded. | 2 September 2016 12:47 CEST | Update | https://www.mdpi.com/1424-8220/16/9/1422/xml |
| article xml uploaded. | 2 September 2016 12:47 CEST | Update | N/A |
| article xml uploaded. | 2 September 2016 12:47 CEST | Update | N/A |
| article xml uploaded. | 2 September 2016 12:47 CEST | Original file | N/A |
| article pdf uploaded. | 2 September 2016 12:47 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/9/1422/pdf |
