| article html file updated | 30 August 2025 11:12 CEST | Update | https://www.mdpi.com/2218-6581/8/1/4 |
| article html file updated | 20 July 2022 16:52 CEST | Update | - |
| article html file updated | 11 February 2020 10:00 CET | Update | - |
| article html file updated | 26 November 2019 12:22 CET | Update | - |
| article xml uploaded. | 26 November 2019 12:20 CET | Update | https://www.mdpi.com/2218-6581/8/1/4/xml |
| article xml uploaded. | 26 November 2019 12:20 CET | Update | - |
| article xml uploaded. | 26 November 2019 12:20 CET | Update | - |
| article xml uploaded. | 26 November 2019 12:20 CET | Update | - |
| article pdf uploaded. | 26 November 2019 12:20 CET | Updated version of record | https://www.mdpi.com/2218-6581/8/1/4/pdf |
| Correction published | 28 October 2019 00:00 CET | Correction | https://www.mdpi.com/2218-6581/8/4/93 |
| article html file updated | 13 October 2019 14:27 CEST | Update | - |
| article html file updated | 27 April 2019 04:24 CEST | Update | - |
| article html file updated | 13 April 2019 00:29 CEST | Update | - |
| article html file updated | 3 April 2019 05:57 CEST | Update | - |
| article html file updated | 21 January 2019 10:37 CET | Update | - |
| article pdf uploaded. | 21 January 2019 10:35 CET | Updated version of record | https://www.mdpi.com/2218-6581/8/1/4/pdf-vor |
| article xml uploaded. | 21 January 2019 10:35 CET | Update | - |
| article xml file uploaded | 21 January 2019 10:35 CET | Update | - |
| article html file updated | 18 January 2019 12:14 CET | Original file | - |
| article pdf uploaded. | 18 January 2019 12:11 CET | Version of Record | https://www.mdpi.com/2218-6581/8/1/4/pdf-vor |
| article xml uploaded. | 18 January 2019 12:11 CET | Update | - |
| article xml file uploaded | 18 January 2019 12:11 CET | Original file | - |
