| article html file updated | 14 August 2026 23:58 CEST | Update | https://www.mdpi.com/2076-0817/7/2/35 |
| article html file updated | 9 February 2020 11:52 CET | Update | N/A |
| article html file updated | 2 October 2019 03:02 CEST | Update | N/A |
| article html file updated | 1 May 2019 07:25 CEST | Update | N/A |
| article html file updated | 17 April 2019 07:25 CEST | Update | N/A |
| article html file updated | 29 March 2019 11:12 CET | Update | N/A |
| article html file updated | 27 June 2018 11:47 CEST | Update | N/A |
| article html file updated | 30 March 2018 04:46 CEST | Original file | N/A |
| article pdf uploaded. | 30 March 2018 04:44 CEST | Version of Record | https://www.mdpi.com/2076-0817/7/2/35/pdf |
| article xml uploaded. | 30 March 2018 04:44 CEST | Update | https://www.mdpi.com/2076-0817/7/2/35/xml |
| article xml file uploaded | 30 March 2018 04:44 CEST | Original file | N/A |
