| article html file updated | 29 August 2025 22:42 CEST | Update | https://www.mdpi.com/2071-1050/8/2/164 |
| article html file updated | 16 July 2022 01:45 CEST | Update | N/A |
| article html file updated | 7 February 2020 04:28 CET | Update | N/A |
| article html file updated | 6 May 2019 00:33 CEST | Update | N/A |
| article html file updated | 26 March 2019 20:33 CET | Original file | N/A |
| article pdf uploaded. | 17 February 2016 05:09 CET | Updated version of record | https://www.mdpi.com/2071-1050/8/2/164/pdf |
| article xml uploaded. | 17 February 2016 05:09 CET | Original file | https://www.mdpi.com/2071-1050/8/2/164/xml |
| article pdf uploaded. | 8 February 2016 10:50 CET | Version of Record | https://www.mdpi.com/2071-1050/8/2/164/pdf-vor |
