| article html file updated | 31 August 2025 07:18 CEST | Update | https://www.mdpi.com/1422-0067/21/1/121 |
| article html file updated | 19 July 2022 20:59 CEST | Update | N/A |
| article html file updated | 14 February 2020 21:09 CET | Update | N/A |
| article html file updated | 16 January 2020 10:19 CET | Update | N/A |
| article html file updated | 23 December 2019 12:59 CET | Original file | N/A |
| article pdf uploaded. | 23 December 2019 12:58 CET | Version of Record | https://www.mdpi.com/1422-0067/21/1/121/pdf |
| article xml uploaded. | 23 December 2019 12:58 CET | Update | https://www.mdpi.com/1422-0067/21/1/121/xml |
| article xml file uploaded | 23 December 2019 12:58 CET | Original file | N/A |
