| article html file updated | 30 August 2025 03:36 CEST | Update | https://www.mdpi.com/2227-9059/6/2/47 |
| article html file updated | 21 August 2025 20:01 CEST | Update | - |
| article html file updated | 16 July 2022 10:55 CEST | Update | - |
| article html file updated | 9 February 2020 14:50 CET | Update | - |
| article html file updated | 2 October 2019 20:45 CEST | Update | - |
| article html file updated | 1 May 2019 01:31 CEST | Update | - |
| article html file updated | 17 April 2019 02:06 CEST | Update | - |
| article html file updated | 29 March 2019 18:01 CET | Update | - |
| article html file updated | 27 June 2018 19:15 CEST | Update | - |
| article html file updated | 22 April 2018 11:04 CEST | Original file | - |
| article xml uploaded. | 22 April 2018 11:02 CEST | Update | https://www.mdpi.com/2227-9059/6/2/47/xml |
| article pdf uploaded. | 22 April 2018 11:02 CEST | Version of Record | https://www.mdpi.com/2227-9059/6/2/47/pdf |