| article html file updated | 30 August 2025 04:37 CEST | Update | https://www.mdpi.com/2218-6581/7/2/30 |
| article html file updated | 16 July 2022 21:47 CEST | Update | N/A |
| article html file updated | 9 February 2020 21:54 CET | Update | N/A |
| article html file updated | 30 April 2019 09:51 CEST | Update | N/A |
| article html file updated | 16 April 2019 10:14 CEST | Update | N/A |
| article html file updated | 16 April 2019 05:19 CEST | Update | N/A |
| article html file updated | 30 March 2019 11:53 CET | Update | N/A |
| article html file updated | 26 June 2018 05:06 CEST | Update | N/A |
| article html file updated | 18 June 2018 11:39 CEST | Original file | N/A |
| article pdf uploaded. | 18 June 2018 11:38 CEST | Version of Record | https://www.mdpi.com/2218-6581/7/2/30/pdf |
| article xml uploaded. | 18 June 2018 11:38 CEST | Update | https://www.mdpi.com/2218-6581/7/2/30/xml |
| article xml file uploaded | 18 June 2018 11:38 CEST | Original file | N/A |
