| article html file updated | 31 August 2025 02:17 CEST | Update | https://www.mdpi.com/2075-4418/9/4/135 |
| article html file updated | 20 July 2022 02:23 CEST | Update | N/A |
| article html file updated | 13 February 2020 21:46 CET | Update | N/A |
| article html file updated | 30 December 2019 11:00 CET | Update | N/A |
| article html file updated | 22 November 2019 07:27 CET | Update | N/A |
| article pdf uploaded. | 22 November 2019 07:25 CET | Updated version of record | https://www.mdpi.com/2075-4418/9/4/135/pdf |
| article xml uploaded. | 22 November 2019 07:25 CET | Update | https://www.mdpi.com/2075-4418/9/4/135/xml |
| article xml file uploaded | 22 November 2019 07:25 CET | Update | N/A |
| article html file updated | 28 October 2019 13:00 CET | Original file | N/A |
| article pdf uploaded. | 28 October 2019 12:58 CET | Updated version of record | https://www.mdpi.com/2075-4418/9/4/135/pdf-vor |
| article xml uploaded. | 28 October 2019 12:58 CET | Update | N/A |
| article xml file uploaded | 28 October 2019 12:58 CET | Update | N/A |
| article pdf uploaded. | 1 October 2019 10:16 CEST | Version of Record | https://www.mdpi.com/2075-4418/9/4/135/pdf-vor |
| article xml file uploaded | 1 October 2019 10:16 CEST | Original file | N/A |
