| article html file updated | 7 February 2020 08:53 CET | Update | https://www.mdpi.com/1420-3049/21/5/640 |
| article html file updated | 21 September 2019 17:24 CEST | Update | N/A |
| article html file updated | 5 May 2019 15:27 CEST | Update | N/A |
| article html file updated | 27 March 2019 05:02 CET | Update | N/A |
| article html file updated | 17 September 2018 04:09 CEST | Update | N/A |
| article html file updated | 26 May 2016 13:57 CEST | Update | N/A |
| article html file updated | 18 May 2016 14:54 CEST | Original file | N/A |
| article xml uploaded. | 18 May 2016 14:53 CEST | Original file | https://www.mdpi.com/1420-3049/21/5/640/xml |
| article pdf uploaded. | 18 May 2016 14:53 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/5/640/pdf |
