| article html file updated | 7 February 2020 09:28 CET | Update | https://www.mdpi.com/1420-3049/21/6/694 |
| article html file updated | 21 September 2019 18:06 CEST | Update | - |
| article html file updated | 5 May 2019 14:17 CEST | Update | - |
| article html file updated | 27 March 2019 06:07 CET | Update | - |
| article html file updated | 12 November 2018 04:02 CET | Update | - |
| article html file updated | 29 June 2016 11:51 CEST | Update | - |
| article html file updated | 30 May 2016 10:41 CEST | Original file | - |
| article xml uploaded. | 30 May 2016 10:40 CEST | Original file | https://www.mdpi.com/1420-3049/21/6/694/xml |
| article pdf uploaded. | 30 May 2016 10:40 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/694/pdf |
