| article html file updated | 7 February 2020 10:46 CET | Update | https://www.mdpi.com/1420-3049/21/7/831 |
| article html file updated | 21 September 2019 19:47 CEST | Update | N/A |
| article html file updated | 5 May 2019 11:50 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:34 CET | Update | N/A |
| article html file updated | 17 September 2018 04:29 CEST | Update | N/A |
| article html file updated | 28 July 2016 10:12 CEST | Update | N/A |
| article html file updated | 25 June 2016 06:10 CEST | Original file | N/A |
| article xml uploaded. | 25 June 2016 06:09 CEST | Original file | https://www.mdpi.com/1420-3049/21/7/831/xml |
| article pdf uploaded. | 25 June 2016 06:09 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/7/831/pdf |
