| article html file updated | 9 February 2020 05:12 CET | Update | https://www.mdpi.com/2079-6412/8/2/55 |
| article html file updated | 30 September 2019 10:38 CEST | Update | N/A |
| article html file updated | 1 May 2019 21:42 CEST | Update | N/A |
| article html file updated | 17 April 2019 20:31 CEST | Update | N/A |
| article html file updated | 28 March 2019 20:13 CET | Update | N/A |
| article html file updated | 14 March 2018 08:48 CET | Update | N/A |
| article html file updated | 1 February 2018 16:12 CET | Original file | N/A |
| article xml uploaded. | 1 February 2018 15:13 CET | Original file | https://www.mdpi.com/2079-6412/8/2/55/xml |
| article pdf uploaded. | 1 February 2018 15:13 CET | Version of Record | https://www.mdpi.com/2079-6412/8/2/55/pdf |
