| article html file updated | 7 February 2020 10:44 CET | Update | https://www.mdpi.com/1420-3049/21/7/821 |
| article html file updated | 21 September 2019 19:44 CEST | Update | N/A |
| article html file updated | 5 May 2019 11:54 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:29 CET | Update | N/A |
| article html file updated | 17 September 2018 04:23 CEST | Update | N/A |
| article html file updated | 28 July 2016 10:10 CEST | Update | N/A |
| article html file updated | 24 June 2016 11:27 CEST | Original file | N/A |
| article xml uploaded. | 24 June 2016 11:26 CEST | Original file | https://www.mdpi.com/1420-3049/21/7/821/xml |
| article pdf uploaded. | 24 June 2016 11:26 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/7/821/pdf |
