| article html file updated | 29 August 2025 22:56 CEST | Update | https://www.mdpi.com/1422-0067/17/4/501 |
| article html file updated | 20 August 2025 22:17 CEST | Update | - |
| article html file updated | 16 July 2022 02:07 CEST | Update | - |
| article html file updated | 7 February 2020 06:54 CET | Update | - |
| article html file updated | 5 May 2019 19:27 CEST | Update | - |
| article html file updated | 27 March 2019 01:09 CET | Update | - |
| article html file updated | 28 April 2016 04:58 CEST | Update | - |
| article html file updated | 6 April 2016 12:24 CEST | Original file | - |
| article xml uploaded. | 6 April 2016 12:23 CEST | Original file | https://www.mdpi.com/1422-0067/17/4/501/xml |
| article pdf uploaded. | 6 April 2016 12:23 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/4/501/pdf |
