| article html file updated | 24 December 2025 16:53 CET | Update | https://www.mdpi.com/1422-0067/21/1/204 |
| article html file updated | 31 August 2025 07:37 CEST | Update | N/A |
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| article html file updated | 14 February 2020 22:09 CET | Update | N/A |
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| article html file updated | 29 December 2019 03:01 CET | Update | N/A |
| article pdf uploaded. | 29 December 2019 02:59 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/1/204/pdf |
| article xml uploaded. | 29 December 2019 02:59 CET | Update | https://www.mdpi.com/1422-0067/21/1/204/xml |
| article xml file uploaded | 29 December 2019 02:59 CET | Update | N/A |
| article html file updated | 27 December 2019 13:09 CET | Original file | N/A |
| article pdf uploaded. | 27 December 2019 13:08 CET | Version of Record | https://www.mdpi.com/1422-0067/21/1/204/pdf-vor |
| article xml uploaded. | 27 December 2019 13:08 CET | Update | N/A |
| article xml file uploaded | 27 December 2019 13:08 CET | Original file | N/A |
