| article html file updated | 29 August 2025 23:09 CEST | Update | https://www.mdpi.com/2073-4441/8/6/228 |
| 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 14:22 CEST | Update | - |
| article html file updated | 27 March 2019 06:03 CET | Update | - |
| article html file updated | 29 June 2016 12:13 CEST | Update | - |
| article html file updated | 30 May 2016 10:32 CEST | Update | - |
| article html file updated | 29 May 2016 23:09 CEST | Update | - |
| article html file updated | 28 May 2016 23:20 CEST | Update | - |
| article html file updated | 28 May 2016 12:29 CEST | Original file | - |
| article xml uploaded. | 28 May 2016 12:27 CEST | Original file | https://www.mdpi.com/2073-4441/8/6/228/xml |
| article pdf uploaded. | 28 May 2016 12:27 CEST | Version of Record | https://www.mdpi.com/2073-4441/8/6/228/pdf |
