| article html file updated | 30 August 2025 00:04 CEST | Update | https://www.mdpi.com/1422-0067/17/12/1921 |
| article html file updated | 16 July 2022 04:11 CEST | Update | N/A |
| article html file updated | 7 February 2020 19:47 CET | Update | N/A |
| article html file updated | 22 September 2019 12:28 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:50 CEST | Update | N/A |
| article html file updated | 27 December 2016 10:45 CET | Update | N/A |
| article html file updated | 16 December 2016 11:19 CET | Original file | N/A |
| article xml uploaded. | 16 December 2016 11:18 CET | Original file | https://www.mdpi.com/1422-0067/17/12/1921/xml |
| article pdf uploaded. | 16 December 2016 11:18 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/1921/pdf |
