| article html file updated | 30 August 2025 08:43 CEST | Update | https://www.mdpi.com/2077-1312/6/4/135 |
| article html file updated | 17 July 2022 08:43 CEST | Update | - |
| article html file updated | 10 February 2020 20:50 CET | Update | - |
| article html file updated | 10 October 2019 07:48 CEST | Update | - |
| article html file updated | 28 April 2019 09:29 CEST | Update | - |
| article html file updated | 14 April 2019 05:00 CEST | Update | - |
| article html file updated | 1 April 2019 19:42 CEST | Update | - |
| article html file updated | 26 December 2018 11:59 CET | Update | - |
| article html file updated | 14 November 2018 08:17 CET | Update | - |
| article pdf uploaded. | 14 November 2018 08:15 CET | Updated version of record | https://www.mdpi.com/2077-1312/6/4/135/pdf |
| article xml uploaded. | 14 November 2018 08:15 CET | Update | https://www.mdpi.com/2077-1312/6/4/135/xml |
| article xml file uploaded | 14 November 2018 08:15 CET | Update | - |
| article html file updated | 12 November 2018 08:27 CET | Original file | - |
| article pdf uploaded. | 12 November 2018 08:26 CET | Version of Record | https://www.mdpi.com/2077-1312/6/4/135/pdf-vor |
| article xml uploaded. | 12 November 2018 08:26 CET | Update | - |
| article xml file uploaded | 12 November 2018 08:26 CET | Original file | - |