| article html file updated | 30 August 2025 01:41 CEST | Update | https://www.mdpi.com/2071-1050/9/11/2081 |
| article html file updated | 16 July 2022 07:21 CEST | Update | - |
| article html file updated | 8 February 2020 21:03 CET | Update | - |
| article html file updated | 2 May 2019 15:16 CEST | Update | - |
| article html file updated | 30 November 2017 13:05 CET | Update | - |
| article html file updated | 15 November 2017 09:47 CET | Update | - |
| article xml uploaded. | 15 November 2017 09:46 CET | Update | https://www.mdpi.com/2071-1050/9/11/2081/xml |
| article pdf uploaded. | 15 November 2017 09:46 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/11/2081/pdf |
| article html file updated | 13 November 2017 12:13 CET | Original file | - |
| article xml uploaded. | 13 November 2017 12:12 CET | Original file | - |
| article pdf uploaded. | 13 November 2017 12:12 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/2081/pdf-vor |
