| article html file updated | 30 August 2025 00:21 CEST | Update | https://www.mdpi.com/1999-4907/8/2/38 |
| article html file updated | 16 July 2022 04:46 CEST | Update | N/A |
| article html file updated | 7 February 2020 22:52 CET | Update | N/A |
| article html file updated | 23 September 2019 05:01 CEST | Update | N/A |
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| article html file updated | 28 February 2017 10:52 CET | Update | N/A |
| article html file updated | 10 February 2017 03:59 CET | Update | N/A |
| article xml uploaded. | 10 February 2017 03:58 CET | Update | https://www.mdpi.com/1999-4907/8/2/38/xml |
| article pdf uploaded. | 10 February 2017 03:58 CET | Updated version of record | https://www.mdpi.com/1999-4907/8/2/38/pdf |
| article html file updated | 8 February 2017 11:23 CET | Original file | N/A |
| article xml uploaded. | 8 February 2017 11:08 CET | Update | N/A |
| article xml uploaded. | 8 February 2017 11:08 CET | Original file | N/A |
| article pdf uploaded. | 8 February 2017 11:08 CET | Version of Record | https://www.mdpi.com/1999-4907/8/2/38/pdf-vor |
