| article html file updated | 30 August 2025 02:03 CEST | Update | https://www.mdpi.com/2072-6643/10/1/9 |
| article html file updated | 16 July 2022 08:08 CEST | Update | - |
| article html file updated | 9 February 2020 00:59 CET | Update | - |
| article html file updated | 29 September 2019 10:31 CEST | Update | - |
| article html file updated | 2 May 2019 06:36 CEST | Update | - |
| article html file updated | 18 April 2019 04:32 CEST | Update | - |
| article html file updated | 28 March 2019 10:38 CET | Update | - |
| article html file updated | 1 February 2018 08:02 CET | Update | - |
| article html file updated | 23 December 2017 07:34 CET | Original file | - |
| article xml uploaded. | 23 December 2017 07:33 CET | Original file | https://www.mdpi.com/2072-6643/10/1/9/xml |
| article pdf uploaded. | 23 December 2017 07:33 CET | Version of Record | https://www.mdpi.com/2072-6643/10/1/9/pdf |