| article html file updated | 8 February 2020 04:47 CET | Update | https://www.mdpi.com/1424-8220/17/5/997 |
| article html file updated | 24 September 2019 14:23 CEST | Update | - |
| article html file updated | 3 May 2019 23:59 CEST | Update | - |
| article html file updated | 2 June 2017 04:06 CEST | Update | - |
| article html file updated | 8 May 2017 08:14 CEST | Original file | - |
| article xml uploaded. | 8 May 2017 08:13 CEST | Original file | https://www.mdpi.com/1424-8220/17/5/997/xml |
| article pdf uploaded. | 8 May 2017 08:13 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/5/997/pdf |
| article pdf uploaded. | 30 April 2017 13:17 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/5/997/pdf-vor |
