| article html file updated | 31 August 2025 03:01 CEST | Update | https://www.mdpi.com/1424-8247/12/4/156 |
| article html file updated | 20 July 2022 01:30 CEST | Update | - |
| article html file updated | 14 February 2020 01:28 CET | Update | - |
| article html file updated | 30 December 2019 22:12 CET | Update | - |
| article html file updated | 25 October 2019 13:29 CEST | Original file | - |
| article pdf uploaded. | 25 October 2019 13:27 CEST | Updated version of record | https://www.mdpi.com/1424-8247/12/4/156/pdf |
| article xml uploaded. | 25 October 2019 13:27 CEST | Update | https://www.mdpi.com/1424-8247/12/4/156/xml |
| article xml file uploaded | 25 October 2019 13:27 CEST | Update | - |
| article supplementary file uploaded. | 16 October 2019 14:36 CEST | - | https://www.mdpi.com/1424-8247/12/4/156#supplementary |
| article pdf uploaded. | 16 October 2019 14:35 CEST | Version of Record | https://www.mdpi.com/1424-8247/12/4/156/pdf-vor |
| article xml file uploaded | 16 October 2019 14:35 CEST | Original file | - |
