| article html file updated | 30 August 2025 00:18 CEST | Update | https://www.mdpi.com/1422-0067/18/2/254 |
| article html file updated | 16 July 2022 04:40 CEST | Update | - |
| article html file updated | 7 February 2020 22:17 CET | Update | - |
| article html file updated | 23 September 2019 01:51 CEST | Update | - |
| article html file updated | 4 May 2019 13:29 CEST | Update | - |
| article html file updated | 2 March 2017 09:45 CET | Update | - |
| article html file updated | 26 January 2017 08:33 CET | Original file | - |
| article xml uploaded. | 26 January 2017 08:31 CET | Original file | https://www.mdpi.com/1422-0067/18/2/254/xml |
| article pdf uploaded. | 26 January 2017 08:31 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/254/pdf |
