| article html file updated | 15 August 2026 08:34 CEST | Update | https://www.mdpi.com/2227-9091/6/4/111 |
| article html file updated | 10 February 2020 14:33 CET | Update | N/A |
| article html file updated | 28 April 2019 22:40 CEST | Update | N/A |
| article html file updated | 14 April 2019 17:52 CEST | Update | N/A |
| article html file updated | 1 April 2019 02:50 CEST | Update | N/A |
| article html file updated | 26 December 2018 10:38 CET | Update | N/A |
| article html file updated | 8 October 2018 08:58 CEST | Original file | N/A |
| article pdf uploaded. | 8 October 2018 08:57 CEST | Version of Record | https://www.mdpi.com/2227-9091/6/4/111/pdf |
| article xml uploaded. | 8 October 2018 08:57 CEST | Update | https://www.mdpi.com/2227-9091/6/4/111/xml |
| article xml file uploaded | 8 October 2018 08:57 CEST | Original file | N/A |
