| article html file updated | 29 August 2025 22:30 CEST | Update | https://www.mdpi.com/1660-4601/13/1/56 |
| article html file updated | 16 July 2022 01:29 CEST | Update | N/A |
| article html file updated | 7 February 2020 02:31 CET | Update | N/A |
| article html file updated | 6 May 2019 04:23 CEST | Update | N/A |
| article html file updated | 26 March 2019 16:56 CET | Original file | N/A |
| article pdf uploaded. | 23 December 2015 14:06 CET | Updated version of record | https://www.mdpi.com/1660-4601/13/1/56/pdf |
| article xml uploaded. | 23 December 2015 14:06 CET | Update | https://www.mdpi.com/1660-4601/13/1/56/xml |
| article pdf uploaded. | 22 December 2015 16:52 CET | Version of Record | N/A |
| article xml uploaded. | 22 December 2015 16:52 CET | Original file | N/A |
