| article html file updated | 15 August 2026 00:41 CEST | Update | https://www.mdpi.com/1999-4907/9/4/214 |
| article html file updated | 30 August 2025 03:32 CEST | Update | N/A |
| article html file updated | 16 July 2022 10:49 CEST | Update | N/A |
| article html file updated | 9 February 2020 14:16 CET | Update | N/A |
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| article html file updated | 29 March 2019 16:42 CET | Update | N/A |
| article html file updated | 1 May 2018 11:39 CEST | Update | N/A |
| article html file updated | 20 April 2018 07:13 CEST | Update | N/A |
| article xml uploaded. | 20 April 2018 07:11 CEST | Update | https://www.mdpi.com/1999-4907/9/4/214/xml |
| article pdf uploaded. | 20 April 2018 07:11 CEST | Updated version of record | https://www.mdpi.com/1999-4907/9/4/214/pdf |
| article html file updated | 18 April 2018 07:53 CEST | Original file | N/A |
| article supplementary file uploaded. | 18 April 2018 07:52 CEST | - | https://www.mdpi.com/1999-4907/9/4/214#supplementary |
| article pdf uploaded. | 18 April 2018 07:52 CEST | Version of Record | https://www.mdpi.com/1999-4907/9/4/214/pdf-vor |
| article xml file uploaded | 18 April 2018 07:52 CEST | Update | N/A |
