| article html file updated | 30 August 2025 03:55 CEST | Update | https://www.mdpi.com/2077-1312/6/2/55 |
| article html file updated | 16 July 2022 20:22 CEST | Update | N/A |
| article html file updated | 9 February 2020 17:19 CET | Update | N/A |
| article html file updated | 3 October 2019 12:26 CEST | Update | N/A |
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| article html file updated | 30 March 2019 00:06 CET | Update | N/A |
| article html file updated | 28 June 2018 09:07 CEST | Update | N/A |
| article html file updated | 14 May 2018 11:33 CEST | Original file | N/A |
| article xml uploaded. | 14 May 2018 11:32 CEST | Update | https://www.mdpi.com/2077-1312/6/2/55/xml |
| article pdf uploaded. | 14 May 2018 11:32 CEST | Updated version of record | https://www.mdpi.com/2077-1312/6/2/55/pdf |
| article pdf uploaded. | 11 May 2018 17:18 CEST | Updated version of record | https://www.mdpi.com/2077-1312/6/2/55/pdf-vor |
| article pdf uploaded. | 11 May 2018 17:15 CEST | Updated version of record | https://www.mdpi.com/2077-1312/6/2/55/pdf-vor |
| article pdf uploaded. | 11 May 2018 17:09 CEST | Version of Record | https://www.mdpi.com/2077-1312/6/2/55/pdf-vor |
| article xml file uploaded | 11 May 2018 17:09 CEST | Original file | N/A |
