| article html file updated | 14 August 2026 13:58 CEST | Update | https://www.mdpi.com/2073-4360/9/4/144 |
| article html file updated | 8 February 2020 04:01 CET | Update | N/A |
| article html file updated | 24 September 2019 10:16 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:25 CEST | Update | N/A |
| article html file updated | 18 March 2019 05:37 CET | Update | N/A |
| article html file updated | 28 April 2017 10:39 CEST | Update | N/A |
| article html file updated | 21 April 2017 12:45 CEST | Original file | N/A |
| article xml uploaded. | 21 April 2017 12:44 CEST | Update | https://www.mdpi.com/2073-4360/9/4/144/xml |
| article pdf uploaded. | 21 April 2017 12:43 CEST | Updated version of record | https://www.mdpi.com/2073-4360/9/4/144/pdf |
| article pdf uploaded. | 20 April 2017 13:27 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/4/144/pdf-vor |
