| article html file updated | 29 August 2025 22:30 CEST | Update | https://www.mdpi.com/2071-1050/8/1/3 |
| article html file updated | 16 July 2022 01:29 CEST | Update | N/A |
| article html file updated | 7 February 2020 02:33 CET | Update | N/A |
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| article html file updated | 26 March 2019 16:59 CET | Original file | N/A |
| article pdf uploaded. | 23 December 2015 09:08 CET | Updated version of record | https://www.mdpi.com/2071-1050/8/1/3/pdf |
| article xml uploaded. | 23 December 2015 09:08 CET | Update | https://www.mdpi.com/2071-1050/8/1/3/xml |
| article pdf uploaded. | 22 December 2015 15:29 CET | Updated version of record | https://www.mdpi.com/2071-1050/8/1/3/pdf-vor |
| article pdf uploaded. | 22 December 2015 13:33 CET | Version of Record | https://www.mdpi.com/2071-1050/8/1/3/pdf-vor |
| article xml uploaded. | 22 December 2015 13:33 CET | Original file | N/A |
