| article html file updated | 30 August 2025 04:09 CEST | Update | https://www.mdpi.com/2218-6581/7/2/23 |
| article html file updated | 21 August 2025 20:14 CEST | Update | - |
| article html file updated | 9 February 2020 19:20 CET | Update | - |
| article html file updated | 4 October 2019 00:54 CEST | Update | - |
| article html file updated | 30 April 2019 16:00 CEST | Update | - |
| article html file updated | 16 April 2019 16:29 CEST | Update | - |
| article html file updated | 30 March 2019 05:19 CET | Update | - |
| article html file updated | 26 June 2018 04:55 CEST | Update | - |
| article html file updated | 28 May 2018 14:51 CEST | Original file | - |
| article pdf uploaded. | 28 May 2018 14:49 CEST | Version of Record | https://www.mdpi.com/2218-6581/7/2/23/pdf |
| article xml uploaded. | 28 May 2018 14:49 CEST | Update | https://www.mdpi.com/2218-6581/7/2/23/xml |
| article xml file uploaded | 28 May 2018 14:49 CEST | Original file | - |
