| article html file updated | 30 August 2025 01:03 CEST | Update | https://www.mdpi.com/2072-6643/9/9/940 |
| article html file updated | 16 July 2022 06:02 CEST | Update | - |
| article html file updated | 8 February 2020 14:33 CET | Update | - |
| article html file updated | 26 September 2019 18:31 CEST | Update | - |
| article html file updated | 3 May 2019 05:00 CEST | Update | - |
| article html file updated | 30 September 2017 13:14 CEST | Update | - |
| article html file updated | 29 August 2017 08:51 CEST | Update | - |
| article xml uploaded. | 29 August 2017 08:50 CEST | Update | https://www.mdpi.com/2072-6643/9/9/940/xml |
| article pdf uploaded. | 29 August 2017 08:50 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/9/940/pdf |
| article html file updated | 28 August 2017 09:10 CEST | Update | - |
| article xml uploaded. | 28 August 2017 09:09 CEST | Update | - |
| article pdf uploaded. | 28 August 2017 09:09 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/9/940/pdf-vor |
| article html file updated | 26 August 2017 08:41 CEST | Original file | - |
| article xml uploaded. | 26 August 2017 08:40 CEST | Original file | - |
| article pdf uploaded. | 26 August 2017 08:40 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/9/940/pdf-vor |