| article html file updated | 30 August 2025 00:40 CEST | Update | https://www.mdpi.com/1422-0067/18/4/669 |
| article html file updated | 16 July 2022 05:25 CEST | Update | - |
| article html file updated | 8 February 2020 02:21 CET | Update | - |
| article html file updated | 24 September 2019 00:48 CEST | Update | - |
| article html file updated | 4 May 2019 04:49 CEST | Update | - |
| article html file updated | 2 May 2017 05:44 CEST | Update | - |
| article html file updated | 27 March 2017 13:08 CEST | Original file | - |
| article xml uploaded. | 27 March 2017 13:06 CEST | Update | https://www.mdpi.com/1422-0067/18/4/669/xml |
| article pdf uploaded. | 27 March 2017 13:06 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/669/pdf |
