| article html file updated | 30 August 2025 02:07 CEST | Update | https://www.mdpi.com/2076-3298/5/1/6 |
| article html file updated | 16 July 2022 08:14 CEST | Update | - |
| article html file updated | 9 February 2020 01:31 CET | Update | - |
| article html file updated | 29 September 2019 13:36 CEST | Update | - |
| article html file updated | 2 May 2019 05:26 CEST | Update | - |
| article html file updated | 18 April 2019 03:28 CEST | Update | - |
| article html file updated | 28 March 2019 11:58 CET | Update | - |
| article html file updated | 1 February 2018 14:55 CET | Update | - |
| article html file updated | 29 December 2017 12:49 CET | Original file | - |
| article xml uploaded. | 29 December 2017 12:48 CET | Original file | https://www.mdpi.com/2076-3298/5/1/6/xml |
| article pdf uploaded. | 29 December 2017 12:48 CET | Version of Record | https://www.mdpi.com/2076-3298/5/1/6/pdf |
