| article html file updated | 9 February 2020 06:29 CET | Update | https://www.mdpi.com/2079-6412/8/2/71 |
| article html file updated | 30 September 2019 18:25 CEST | Update | N/A |
| article html file updated | 1 May 2019 18:47 CEST | Update | N/A |
| article html file updated | 17 April 2019 18:03 CEST | Update | N/A |
| article html file updated | 28 March 2019 22:59 CET | Update | N/A |
| article html file updated | 14 March 2018 08:51 CET | Update | N/A |
| article html file updated | 13 February 2018 04:37 CET | Original file | N/A |
| article xml uploaded. | 13 February 2018 04:36 CET | Original file | https://www.mdpi.com/2079-6412/8/2/71/xml |
| article pdf uploaded. | 13 February 2018 04:36 CET | Version of Record | https://www.mdpi.com/2079-6412/8/2/71/pdf |
