| article html file updated | 30 August 2025 09:38 CEST | Update | https://www.mdpi.com/2075-4434/6/4/135 |
| article html file updated | 17 July 2022 13:38 CEST | Update | - |
| article html file updated | 11 February 2020 01:33 CET | Update | - |
| article html file updated | 27 April 2019 23:02 CEST | Update | - |
| article html file updated | 13 April 2019 18:53 CEST | Update | - |
| article html file updated | 2 April 2019 08:40 CEST | Update | - |
| article html file updated | 25 December 2018 04:01 CET | Update | - |
| article html file updated | 20 December 2018 07:16 CET | Update | - |
| article pdf uploaded. | 20 December 2018 07:15 CET | Updated version of record | https://www.mdpi.com/2075-4434/6/4/135/pdf |
| article xml uploaded. | 20 December 2018 07:15 CET | Update | https://www.mdpi.com/2075-4434/6/4/135/xml |
| article xml file uploaded | 20 December 2018 07:15 CET | Update | - |
| article html file updated | 12 December 2018 06:12 CET | Update | - |
| article pdf uploaded. | 12 December 2018 06:11 CET | Updated version of record | https://www.mdpi.com/2075-4434/6/4/135/pdf-vor |
| article xml uploaded. | 12 December 2018 06:11 CET | Update | - |
| article xml file uploaded | 12 December 2018 06:11 CET | Update | - |
| article html file updated | 11 December 2018 03:02 CET | Update | - |
| article pdf uploaded. | 11 December 2018 03:01 CET | Updated version of record | https://www.mdpi.com/2075-4434/6/4/135/pdf-vor |
| article xml uploaded. | 11 December 2018 03:01 CET | Update | - |
| article xml file uploaded | 11 December 2018 03:01 CET | Update | - |
| article html file updated | 6 December 2018 09:14 CET | Original file | - |
| article pdf uploaded. | 6 December 2018 09:13 CET | Version of Record | https://www.mdpi.com/2075-4434/6/4/135/pdf-vor |
| article xml uploaded. | 6 December 2018 09:13 CET | Update | - |
| article xml file uploaded | 6 December 2018 09:13 CET | Original file | - |
