| article html file updated | 7 February 2020 10:32 CET | Update | https://www.mdpi.com/1420-3049/21/6/813 |
| article html file updated | 21 September 2019 19:30 CEST | Update | N/A |
| article html file updated | 5 May 2019 12:14 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:08 CET | Update | N/A |
| article html file updated | 12 November 2018 04:39 CET | Update | N/A |
| article html file updated | 29 June 2016 12:07 CEST | Update | N/A |
| article html file updated | 22 June 2016 11:01 CEST | Original file | N/A |
| article xml uploaded. | 22 June 2016 11:00 CEST | Original file | https://www.mdpi.com/1420-3049/21/6/813/xml |
| article pdf uploaded. | 22 June 2016 11:00 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/813/pdf |
