| article html file updated | 30 August 2025 08:06 CEST | Update | https://www.mdpi.com/2227-9709/5/4/39 |
| article html file updated | 17 July 2022 05:52 CEST | Update | N/A |
| article html file updated | 10 February 2020 17:34 CET | Update | N/A |
| article html file updated | 9 October 2019 11:56 CEST | Update | N/A |
| article html file updated | 28 April 2019 16:39 CEST | Update | N/A |
| article html file updated | 14 April 2019 11:47 CEST | Update | N/A |
| article html file updated | 1 April 2019 10:50 CEST | Update | N/A |
| article pdf uploaded. | 25 October 2018 14:46 CEST | Updated version of record | https://www.mdpi.com/2227-9709/5/4/39/pdf |
| article xml uploaded. | 25 October 2018 14:46 CEST | Update | https://www.mdpi.com/2227-9709/5/4/39/xml |
| article xml file uploaded | 25 October 2018 14:46 CEST | Update | N/A |
| article html file updated | 25 October 2018 14:46 CEST | Original file | N/A |
| article pdf uploaded. | 23 October 2018 16:23 CEST | Updated version of record | https://www.mdpi.com/2227-9709/5/4/39/pdf-vor |
| article pdf uploaded. | 23 October 2018 16:18 CEST | Version of Record | https://www.mdpi.com/2227-9709/5/4/39/pdf-vor |
| article xml file uploaded | 23 October 2018 16:18 CEST | Original file | N/A |
