| article html file updated | 14 August 2026 15:18 CEST | Update | https://www.mdpi.com/2071-1050/9/6/1081 |
| article html file updated | 8 February 2020 08:51 CET | Update | N/A |
| article html file updated | 25 September 2019 11:24 CEST | Update | N/A |
| article html file updated | 3 May 2019 16:23 CEST | Update | N/A |
| article html file updated | 28 June 2017 14:54 CEST | Update | N/A |
| article html file updated | 22 June 2017 13:22 CEST | Original file | N/A |
| article xml uploaded. | 22 June 2017 13:21 CEST | Original file | https://www.mdpi.com/2071-1050/9/6/1081/xml |
| article pdf uploaded. | 22 June 2017 13:21 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/6/1081/pdf |
| article pdf uploaded. | 21 June 2017 14:52 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/1081/pdf-vor |
