| article html file updated | 7 February 2020 10:01 CET | Update | https://www.mdpi.com/1420-3049/21/6/753 |
| article html file updated | 21 September 2019 18:50 CEST | Update | - |
| article html file updated | 5 May 2019 13:14 CEST | Update | - |
| article html file updated | 27 March 2019 07:13 CET | Update | - |
| article html file updated | 12 November 2018 04:25 CET | Update | - |
| article html file updated | 29 June 2016 11:59 CEST | Update | - |
| article html file updated | 10 June 2016 08:56 CEST | Original file | - |
| article xml uploaded. | 10 June 2016 08:55 CEST | Original file | https://www.mdpi.com/1420-3049/21/6/753/xml |
| article pdf uploaded. | 10 June 2016 08:55 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/753/pdf |
