| article html file updated | 7 February 2020 07:42 CET | Update | https://www.mdpi.com/1420-3049/21/4/538 |
| article html file updated | 21 September 2019 15:51 CEST | Update | N/A |
| article html file updated | 5 May 2019 17:44 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:48 CET | Update | N/A |
| article html file updated | 17 September 2018 04:18 CEST | Update | N/A |
| article html file updated | 28 April 2016 12:04 CEST | Original file | N/A |
| article pdf uploaded. | 23 April 2016 10:03 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/4/538/pdf |
