| article html file updated | 7 February 2020 10:57 CET | Update | https://www.mdpi.com/1420-3049/21/7/857 |
| article html file updated | 21 September 2019 20:03 CEST | Update | N/A |
| article html file updated | 5 May 2019 11:30 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:53 CET | Update | N/A |
| article html file updated | 17 September 2018 04:39 CEST | Update | N/A |
| article html file updated | 28 July 2016 10:16 CEST | Update | N/A |
| article html file updated | 29 June 2016 09:43 CEST | Original file | N/A |
| article xml uploaded. | 29 June 2016 09:42 CEST | Original file | https://www.mdpi.com/1420-3049/21/7/857/xml |
| article pdf uploaded. | 29 June 2016 09:42 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/7/857/pdf |
