| article html file updated | 8 February 2020 16:19 CET | Update | https://www.mdpi.com/1424-8220/17/9/2132 |
| article html file updated | 27 September 2019 04:10 CEST | Update | - |
| article html file updated | 3 May 2019 01:45 CEST | Update | - |
| article html file updated | 30 September 2017 15:08 CEST | Update | - |
| article html file updated | 22 September 2017 06:04 CEST | Original file | - |
| article xml uploaded. | 22 September 2017 06:03 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2132/xml |
| article xml uploaded. | 22 September 2017 06:03 CEST | Original file | - |
| article pdf uploaded. | 22 September 2017 06:03 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/2132/pdf |
| article pdf uploaded. | 15 September 2017 12:55 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2132/pdf-vor |
