| article html file updated | 30 August 2025 01:53 CEST | Update | https://www.mdpi.com/2079-6382/6/4/32 |
| article html file updated | 16 July 2022 07:47 CEST | Update | - |
| article html file updated | 8 February 2020 23:08 CET | Update | - |
| article html file updated | 28 September 2019 23:50 CEST | Update | - |
| article html file updated | 2 May 2019 10:39 CEST | Update | - |
| article html file updated | 18 April 2019 08:16 CEST | Update | - |
| article html file updated | 2 January 2018 20:27 CET | Update | - |
| article html file updated | 5 December 2017 16:57 CET | Original file | - |
| article xml uploaded. | 5 December 2017 16:56 CET | Original file | https://www.mdpi.com/2079-6382/6/4/32/xml |
| article pdf uploaded. | 5 December 2017 16:56 CET | Updated version of record | https://www.mdpi.com/2079-6382/6/4/32/pdf |
| article pdf uploaded. | 5 December 2017 10:16 CET | Version of Record | - |
