| article html file updated | 7 February 2020 10:14 CET | Update | https://www.mdpi.com/1420-3049/21/6/776 |
| article html file updated | 21 September 2019 19:06 CEST | Update | - |
| article html file updated | 5 May 2019 12:50 CEST | Update | - |
| article html file updated | 27 March 2019 07:36 CET | Update | - |
| article html file updated | 12 November 2018 04:31 CET | Update | - |
| article html file updated | 29 June 2016 12:02 CEST | Update | - |
| article html file updated | 15 June 2016 11:34 CEST | Original file | - |
| article xml uploaded. | 15 June 2016 11:33 CEST | Original file | https://www.mdpi.com/1420-3049/21/6/776/xml |
| article pdf uploaded. | 15 June 2016 11:33 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/776/pdf |
