| article html file updated | 9 February 2020 07:52 CET | Update | https://www.mdpi.com/2079-6412/8/3/87 |
| article html file updated | 1 October 2019 02:25 CEST | Update | - |
| article html file updated | 1 May 2019 15:51 CEST | Update | - |
| article html file updated | 17 April 2019 15:20 CEST | Update | - |
| article html file updated | 29 March 2019 02:05 CET | Update | - |
| article html file updated | 26 March 2018 12:32 CEST | Update | - |
| article html file updated | 27 February 2018 17:33 CET | Original file | - |
| article xml uploaded. | 27 February 2018 17:31 CET | Update | https://www.mdpi.com/2079-6412/8/3/87/xml |
| article xml uploaded. | 27 February 2018 17:31 CET | Original file | - |
| article pdf uploaded. | 27 February 2018 17:31 CET | Version of Record | https://www.mdpi.com/2079-6412/8/3/87/pdf |
