| article html file updated | 30 August 2025 00:18 CEST | Update | https://www.mdpi.com/1422-0067/18/2/263 |
| article html file updated | 16 July 2022 04:40 CEST | Update | - |
| article html file updated | 7 February 2020 22:19 CET | Update | - |
| article html file updated | 23 September 2019 02:02 CEST | Update | - |
| article html file updated | 4 May 2019 13:25 CEST | Update | - |
| article html file updated | 2 March 2017 09:47 CET | Update | - |
| article html file updated | 27 January 2017 15:27 CET | Original file | - |
| article xml uploaded. | 27 January 2017 15:26 CET | Original file | https://www.mdpi.com/1422-0067/18/2/263/xml |
| article pdf uploaded. | 27 January 2017 15:26 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/263/pdf |