| article html file updated | 9 February 2020 08:22 CET | Update | https://www.mdpi.com/2079-6412/8/3/91 |
| article html file updated | 1 October 2019 05:20 CEST | Update | N/A |
| article html file updated | 1 May 2019 14:47 CEST | Update | N/A |
| article html file updated | 17 April 2019 14:22 CEST | Update | N/A |
| article html file updated | 29 March 2019 03:20 CET | Update | N/A |
| article html file updated | 26 March 2018 12:25 CEST | Update | N/A |
| article html file updated | 2 March 2018 09:30 CET | Original file | N/A |
| article xml uploaded. | 2 March 2018 09:28 CET | Update | https://www.mdpi.com/2079-6412/8/3/91/xml |
| article pdf uploaded. | 2 March 2018 09:28 CET | Version of Record | https://www.mdpi.com/2079-6412/8/3/91/pdf |
