| article html file updated | 8 February 2020 16:03 CET | Update | https://www.mdpi.com/1424-8220/17/9/2103 |
| article html file updated | 27 September 2019 02:46 CEST | Update | N/A |
| article html file updated | 3 May 2019 02:13 CEST | Update | N/A |
| article html file updated | 30 September 2017 15:02 CEST | Update | N/A |
| article html file updated | 13 September 2017 14:07 CEST | Original file | N/A |
| article xml uploaded. | 13 September 2017 14:05 CEST | Original file | https://www.mdpi.com/1424-8220/17/9/2103/xml |
| article pdf uploaded. | 13 September 2017 14:05 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/2103/pdf |
| article pdf uploaded. | 13 September 2017 11:34 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2103/pdf-vor |
