| article html file updated | 29 August 2025 23:09 CEST | Update | https://www.mdpi.com/2071-1050/8/6/504 |
| article html file updated | 16 July 2022 02:31 CEST | Update | - |
| article html file updated | 7 February 2020 09:26 CET | Update | - |
| article html file updated | 5 May 2019 14:21 CEST | Update | - |
| article html file updated | 27 March 2019 06:03 CET | Update | - |
| article html file updated | 29 June 2016 05:19 CEST | Update | - |
| article html file updated | 30 May 2016 10:34 CEST | Update | - |
| article html file updated | 29 May 2016 23:10 CEST | Update | - |
| article html file updated | 28 May 2016 23:23 CEST | Update | - |
| article html file updated | 28 May 2016 10:51 CEST | Original file | - |
| article xml uploaded. | 28 May 2016 10:50 CEST | Original file | https://www.mdpi.com/2071-1050/8/6/504/xml |
| article pdf uploaded. | 28 May 2016 10:50 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/6/504/pdf |
