| article html file updated | 7 February 2020 10:15 CET | Update | https://www.mdpi.com/1420-3049/21/6/777 |
| article html file updated | 21 September 2019 19:08 CEST | Update | - |
| article html file updated | 5 May 2019 12:47 CEST | Update | - |
| article html file updated | 27 March 2019 07:39 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 | 16 June 2016 09:29 CEST | Original file | - |
| article xml uploaded. | 16 June 2016 09:27 CEST | Update | https://www.mdpi.com/1420-3049/21/6/777/xml |
| article pdf uploaded. | 16 June 2016 09:27 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/777/pdf |
