| article html file updated | 30 August 2025 07:49 CEST | Update | https://www.mdpi.com/2077-1312/6/4/120 |
| article html file updated | 17 July 2022 04:59 CEST | Update | - |
| article html file updated | 10 February 2020 16:00 CET | Update | - |
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| article html file updated | 26 December 2018 11:46 CET | Update | - |
| article html file updated | 17 October 2018 11:40 CEST | Original file | - |
| article pdf uploaded. | 17 October 2018 11:35 CEST | Updated version of record | https://www.mdpi.com/2077-1312/6/4/120/pdf |
| article xml uploaded. | 17 October 2018 11:35 CEST | Update | https://www.mdpi.com/2077-1312/6/4/120/xml |
| article xml file uploaded | 17 October 2018 11:35 CEST | Update | - |
| article pdf uploaded. | 15 October 2018 16:44 CEST | Updated version of record | https://www.mdpi.com/2077-1312/6/4/120/pdf-vor |
| article pdf uploaded. | 15 October 2018 16:38 CEST | Version of Record | https://www.mdpi.com/2077-1312/6/4/120/pdf-vor |
| article xml file uploaded | 15 October 2018 16:38 CEST | Original file | - |
