| article html file updated | 29 August 2025 22:32 CEST | Update | https://www.mdpi.com/2071-1050/8/1/32 |
| article html file updated | 16 July 2022 01:31 CEST | Update | N/A |
| article html file updated | 7 February 2020 02:51 CET | Update | N/A |
| article html file updated | 6 May 2019 03:39 CEST | Update | N/A |
| article html file updated | 26 March 2019 17:29 CET | Original file | N/A |
| article xml uploaded. | 4 January 2016 08:33 CET | Update | https://www.mdpi.com/2071-1050/8/1/32/xml |
| article pdf uploaded. | 31 December 2015 11:48 CET | Updated version of record | https://www.mdpi.com/2071-1050/8/1/32/pdf |
| article xml uploaded. | 31 December 2015 11:48 CET | Update | N/A |
| article pdf uploaded. | 30 December 2015 13:16 CET | Version of Record | https://www.mdpi.com/2071-1050/8/1/32/pdf-vor |
| article xml uploaded. | 30 December 2015 13:16 CET | Original file | N/A |
