| article html file updated | 29 August 2025 23:15 CEST | Update | https://www.mdpi.com/2076-0825/5/2/18 |
| article html file updated | 16 July 2022 02:39 CEST | Update | - |
| article html file updated | 7 February 2020 10:21 CET | Update | - |
| article html file updated | 21 September 2019 19:16 CEST | Update | - |
| article html file updated | 5 May 2019 12:36 CEST | Update | - |
| article html file updated | 27 March 2019 07:49 CET | Update | - |
| article html file updated | 27 June 2016 12:03 CEST | Update | - |
| article html file updated | 17 June 2016 11:15 CEST | Original file | - |
| article xml uploaded. | 17 June 2016 11:14 CEST | Original file | https://www.mdpi.com/2076-0825/5/2/18/xml |
| article pdf uploaded. | 17 June 2016 11:14 CEST | Version of Record | https://www.mdpi.com/2076-0825/5/2/18/pdf |