| article html file updated | 30 August 2025 02:37 CEST | Update | https://www.mdpi.com/2227-9717/6/2/18 |
| article html file updated | 16 July 2022 09:15 CEST | Update | - |
| article html file updated | 9 February 2020 06:34 CET | Update | - |
| article html file updated | 30 September 2019 18:58 CEST | Update | - |
| article html file updated | 1 May 2019 18:34 CEST | Update | - |
| article html file updated | 17 April 2019 17:52 CEST | Update | - |
| article html file updated | 28 March 2019 23:11 CET | Update | - |
| article html file updated | 14 March 2018 14:54 CET | Update | - |
| article html file updated | 13 February 2018 17:20 CET | Original file | - |
| article xml uploaded. | 13 February 2018 17:19 CET | Update | https://www.mdpi.com/2227-9717/6/2/18/xml |
| article xml uploaded. | 13 February 2018 17:19 CET | Original file | - |
| article pdf uploaded. | 13 February 2018 17:18 CET | Version of Record | https://www.mdpi.com/2227-9717/6/2/18/pdf |
