| article html file updated | 8 February 2020 07:04 CET | Update | https://www.mdpi.com/1424-8220/17/6/1249 |
| article html file updated | 25 September 2019 02:11 CEST | Update | - |
| article html file updated | 3 May 2019 19:46 CEST | Update | - |
| article html file updated | 30 June 2017 11:35 CEST | Update | - |
| article html file updated | 13 June 2017 06:53 CEST | Update | - |
| article xml uploaded. | 13 June 2017 06:52 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1249/xml |
| article pdf uploaded. | 13 June 2017 06:52 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1249/pdf |
| article html file updated | 31 May 2017 09:35 CEST | Original file | - |
| article pdf uploaded. | 31 May 2017 09:33 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1249/pdf-vor |
