| article html file updated | 24 December 2025 16:48 CET | Update | https://www.mdpi.com/1422-0067/21/1/39 |
| article html file updated | 31 August 2025 06:59 CEST | Update | N/A |
| article html file updated | 19 July 2022 21:17 CEST | Update | N/A |
| article html file updated | 14 February 2020 20:08 CET | Update | N/A |
| article html file updated | 16 January 2020 07:55 CET | Update | N/A |
| article html file updated | 19 December 2019 14:39 CET | Original file | N/A |
| article pdf uploaded. | 19 December 2019 14:37 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/1/39/pdf |
| article xml uploaded. | 19 December 2019 14:37 CET | Update | https://www.mdpi.com/1422-0067/21/1/39/xml |
| article xml file uploaded | 19 December 2019 14:37 CET | Update | N/A |
| article pdf uploaded. | 19 December 2019 13:18 CET | Version of Record | N/A |
| article xml file uploaded | 19 December 2019 13:18 CET | Original file | N/A |
