| article html file updated | 7 February 2020 15:04 CET | Update | https://www.mdpi.com/1424-8220/16/9/1500 |
| article html file updated | 5 May 2019 03:56 CEST | Update | N/A |
| article html file updated | 27 September 2016 07:27 CEST | Update | N/A |
| article html file updated | 15 September 2016 13:46 CEST | Original file | N/A |
| article xml uploaded. | 15 September 2016 13:45 CEST | Original file | https://www.mdpi.com/1424-8220/16/9/1500/xml |
| article pdf uploaded. | 15 September 2016 13:45 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/9/1500/pdf |
