| article html file updated | 14 August 2026 23:54 CEST | Update | https://www.mdpi.com/1660-4601/15/4/621 |
| article html file updated | 30 August 2025 03:14 CEST | Update | N/A |
| article html file updated | 21 August 2025 19:49 CEST | Update | N/A |
| article html file updated | 16 July 2022 10:18 CEST | Update | N/A |
| article html file updated | 9 February 2020 11:38 CET | Update | N/A |
| article html file updated | 2 October 2019 01:38 CEST | Update | N/A |
| article html file updated | 1 May 2019 07:53 CEST | Update | N/A |
| article html file updated | 17 April 2019 07:51 CEST | Update | N/A |
| article html file updated | 29 March 2019 10:42 CET | Update | N/A |
| article html file updated | 1 May 2018 04:43 CEST | Update | N/A |
| article html file updated | 13 April 2018 19:12 CEST | Update | N/A |
| article xml uploaded. | 13 April 2018 19:10 CEST | Update | https://www.mdpi.com/1660-4601/15/4/621/xml |
| article html file updated | 30 March 2018 13:27 CEST | Update | N/A |
| article pdf uploaded. | 30 March 2018 13:26 CEST | Updated version of record | https://www.mdpi.com/1660-4601/15/4/621/pdf |
| article html file updated | 28 March 2018 16:05 CEST | Original file | N/A |
| article pdf uploaded. | 28 March 2018 16:03 CEST | Version of Record | https://www.mdpi.com/1660-4601/15/4/621/pdf-vor |
