| article html file updated | 8 February 2020 04:08 CET | Update | https://www.mdpi.com/1424-8220/17/4/924 |
| article html file updated | 24 September 2019 10:58 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:11 CEST | Update | N/A |
| article html file updated | 29 April 2017 14:28 CEST | Update | N/A |
| article html file updated | 26 April 2017 04:31 CEST | Original file | N/A |
| article xml uploaded. | 26 April 2017 04:29 CEST | Original file | https://www.mdpi.com/1424-8220/17/4/924/xml |
| article pdf uploaded. | 26 April 2017 04:29 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/924/pdf |
| article pdf uploaded. | 21 April 2017 15:10 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/924/pdf-vor |
