| article html file updated | 24 December 2025 13:51 CET | Update | https://www.mdpi.com/1424-8220/16/1/28 |
| article html file updated | 29 August 2025 22:31 CEST | Update | N/A |
| article html file updated | 20 August 2025 22:09 CEST | Update | N/A |
| article html file updated | 7 February 2020 02:46 CET | Update | N/A |
| article html file updated | 6 May 2019 03:48 CEST | Update | N/A |
| article html file updated | 26 March 2019 17:21 CET | Original file | N/A |
| article pdf uploaded. | 28 December 2015 09:24 CET | Updated version of record | https://www.mdpi.com/1424-8220/16/1/28/pdf |
| article pdf uploaded. | 26 December 2015 08:19 CET | Version of Record | https://www.mdpi.com/1424-8220/16/1/28/pdf-vor |
| article xml uploaded. | 26 December 2015 08:19 CET | Original file | https://www.mdpi.com/1424-8220/16/1/28/xml |
