| article html file updated | 7 February 2020 10:39 CET | Update | https://www.mdpi.com/1420-3049/21/7/820 |
| article html file updated | 21 September 2019 19:38 CEST | Update | N/A |
| article html file updated | 5 May 2019 12:02 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:20 CET | Update | N/A |
| article html file updated | 17 September 2018 04:22 CEST | Update | N/A |
| article html file updated | 28 July 2016 10:10 CEST | Update | N/A |
| article html file updated | 23 June 2016 11:11 CEST | Original file | N/A |
| article xml uploaded. | 23 June 2016 11:09 CEST | Original file | https://www.mdpi.com/1420-3049/21/7/820/xml |
| article pdf uploaded. | 23 June 2016 11:09 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/7/820/pdf |
