| article html file updated | 7 February 2020 06:00 CET | Update | https://www.mdpi.com/1420-3049/21/3/349 |
| article html file updated | 21 September 2019 13:16 CEST | Update | - |
| article html file updated | 5 May 2019 21:15 CEST | Update | - |
| article html file updated | 26 March 2019 23:38 CET | Update | - |
| article html file updated | 17 September 2018 03:25 CEST | Update | - |
| article html file updated | 31 March 2016 02:56 CEST | Original file | - |
| article xml uploaded. | 16 March 2016 12:07 CET | Original file | https://www.mdpi.com/1420-3049/21/3/349/xml |
| article pdf uploaded. | 16 March 2016 12:07 CET | Version of Record | https://www.mdpi.com/1420-3049/21/3/349/pdf |
