| article html file updated | 30 August 2025 09:39 CEST | Update | https://www.mdpi.com/2227-9717/6/12/254 |
| article html file updated | 17 July 2022 13:45 CEST | Update | N/A |
| article html file updated | 11 February 2020 01:39 CET | Update | N/A |
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| article html file updated | 26 December 2018 10:55 CET | Update | N/A |
| article html file updated | 13 December 2018 14:48 CET | Original file | N/A |
| article pdf uploaded. | 13 December 2018 14:46 CET | Updated version of record | https://www.mdpi.com/2227-9717/6/12/254/pdf |
| article xml uploaded. | 13 December 2018 14:46 CET | Update | https://www.mdpi.com/2227-9717/6/12/254/xml |
| article xml file uploaded | 13 December 2018 14:46 CET | Update | N/A |
| article pdf uploaded. | 6 December 2018 13:44 CET | Updated version of record | https://www.mdpi.com/2227-9717/6/12/254/pdf-vor |
| article pdf uploaded. | 6 December 2018 13:36 CET | Version of Record | https://www.mdpi.com/2227-9717/6/12/254/pdf-vor |
| article xml file uploaded | 6 December 2018 13:36 CET | Original file | N/A |
