| article html file updated | 30 August 2025 03:03 CEST | Update | https://www.mdpi.com/2227-9059/6/1/34 |
| article html file updated | 21 August 2025 19:43 CEST | Update | - |
| article html file updated | 9 February 2020 10:07 CET | Update | - |
| article html file updated | 1 May 2019 11:10 CEST | Update | - |
| article html file updated | 17 April 2019 10:59 CEST | Update | - |
| article html file updated | 29 March 2019 07:08 CET | Update | - |
| article html file updated | 26 March 2018 16:01 CEST | Update | - |
| article html file updated | 16 March 2018 14:57 CET | Original file | - |
| article xml uploaded. | 16 March 2018 14:56 CET | Original file | https://www.mdpi.com/2227-9059/6/1/34/xml |
| article pdf uploaded. | 16 March 2018 14:56 CET | Version of Record | https://www.mdpi.com/2227-9059/6/1/34/pdf |
