| article html file updated | 15 August 2026 11:52 CEST | Update | https://www.mdpi.com/2079-6374/8/4/121 |
| article html file updated | 11 February 2020 00:32 CET | Update | N/A |
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| article html file updated | 30 December 2018 02:01 CET | Update | N/A |
| article html file updated | 6 December 2018 13:34 CET | Update | N/A |
| article pdf uploaded. | 6 December 2018 13:33 CET | Updated version of record | https://www.mdpi.com/2079-6374/8/4/121/pdf |
| article xml uploaded. | 6 December 2018 13:33 CET | Update | https://www.mdpi.com/2079-6374/8/4/121/xml |
| article xml file uploaded | 6 December 2018 13:33 CET | Update | N/A |
| article html file updated | 1 December 2018 11:56 CET | Original file | N/A |
| article pdf uploaded. | 1 December 2018 11:54 CET | Version of Record | https://www.mdpi.com/2079-6374/8/4/121/pdf-vor |
| article xml uploaded. | 1 December 2018 11:54 CET | Update | N/A |
| article xml file uploaded | 1 December 2018 11:54 CET | Original file | N/A |
