| article html file updated | 7 February 2020 09:36 CET | Update | https://www.mdpi.com/1420-3049/21/6/716 |
| article html file updated | 21 September 2019 18:17 CEST | Update | - |
| article html file updated | 5 May 2019 14:01 CEST | Update | - |
| article html file updated | 27 March 2019 06:22 CET | Update | - |
| article html file updated | 12 November 2018 04:14 CET | Update | - |
| article html file updated | 29 June 2016 11:55 CEST | Update | - |
| article html file updated | 1 June 2016 11:49 CEST | Original file | - |
| article xml uploaded. | 1 June 2016 11:47 CEST | Original file | https://www.mdpi.com/1420-3049/21/6/716/xml |
| article pdf uploaded. | 1 June 2016 11:47 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/716/pdf |
