| article html file updated | 29 August 2025 23:49 CEST | Update | https://www.mdpi.com/2304-6732/3/4/56 |
| article html file updated | 16 July 2022 03:43 CEST | Update | - |
| article html file updated | 7 February 2020 17:14 CET | Update | - |
| article html file updated | 4 May 2019 23:58 CEST | Update | - |
| article html file updated | 28 December 2016 11:35 CET | Update | - |
| article html file updated | 31 October 2016 09:05 CET | Original file | - |
| article xml uploaded. | 31 October 2016 09:04 CET | Update | https://www.mdpi.com/2304-6732/3/4/56/xml |
| article xml uploaded. | 31 October 2016 09:04 CET | Original file | - |
| article pdf uploaded. | 31 October 2016 09:04 CET | Version of Record | https://www.mdpi.com/2304-6732/3/4/56/pdf |
