| article html file updated | 30 August 2025 23:47 CEST | Update | https://www.mdpi.com/1996-1944/12/16/2556 |
| article html file updated | 20 July 2022 05:26 CEST | Update | - |
| article html file updated | 13 February 2020 08:59 CET | Update | - |
| article html file updated | 27 August 2019 07:44 CEST | Update | - |
| article html file updated | 20 August 2019 08:42 CEST | Update | - |
| article pdf uploaded. | 20 August 2019 08:40 CEST | Updated version of record | https://www.mdpi.com/1996-1944/12/16/2556/pdf |
| article xml uploaded. | 20 August 2019 08:40 CEST | Update | https://www.mdpi.com/1996-1944/12/16/2556/xml |
| article xml file uploaded | 20 August 2019 08:40 CEST | Update | - |
| article html file updated | 11 August 2019 07:58 CEST | Original file | - |
| article pdf uploaded. | 11 August 2019 07:56 CEST | Version of Record | https://www.mdpi.com/1996-1944/12/16/2556/pdf-vor |
| article xml uploaded. | 11 August 2019 07:56 CEST | Update | - |
| article xml file uploaded | 11 August 2019 07:56 CEST | Original file | - |
