| article html file updated | 30 August 2025 00:25 CEST | Update | https://www.mdpi.com/2073-4344/7/2/61 |
| article html file updated | 16 July 2022 04:53 CEST | Update | - |
| article html file updated | 7 February 2020 23:30 CET | Update | - |
| article html file updated | 23 September 2019 08:32 CEST | Update | - |
| article html file updated | 4 May 2019 11:02 CEST | Update | - |
| article html file updated | 1 March 2017 07:59 CET | Update | - |
| article html file updated | 16 February 2017 04:00 CET | Original file | - |
| article xml uploaded. | 16 February 2017 03:57 CET | Original file | https://www.mdpi.com/2073-4344/7/2/61/xml |
| article pdf uploaded. | 16 February 2017 03:57 CET | Version of Record | https://www.mdpi.com/2073-4344/7/2/61/pdf |
