| article html file updated | 14 August 2026 13:36 CEST | Update | https://www.mdpi.com/1999-4907/8/4/105 |
| article html file updated | 15 September 2021 11:25 CEST | Update | N/A |
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| article xml uploaded. | 15 September 2021 11:23 CEST | Update | https://www.mdpi.com/1999-4907/8/4/105/xml |
| article html file updated | 8 February 2020 02:43 CET | Update | N/A |
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| article html file updated | 26 July 2017 13:49 CEST | Update | N/A |
| article html file updated | 28 April 2017 06:40 CEST | Update | N/A |
| article pdf uploaded. | 5 April 2017 11:46 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/4/105/pdf |
| article pdf uploaded. | 4 April 2017 08:35 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/4/105/pdf-vor |
| article pdf uploaded. | 3 April 2017 15:18 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/4/105/pdf-vor |
| article html file updated | 31 March 2017 15:06 CEST | Original file | N/A |
| article pdf uploaded. | 31 March 2017 15:05 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/4/105/pdf-vor |
