| article html file updated | 9 February 2020 06:01 CET | Update | https://www.mdpi.com/2075-4701/8/2/120 |
| article html file updated | 1 May 2019 19:49 CEST | Update | N/A |
| article html file updated | 17 April 2019 18:56 CEST | Update | N/A |
| article html file updated | 28 March 2019 22:02 CET | Update | N/A |
| article html file updated | 9 February 2018 08:15 CET | Original file | N/A |
| article xml uploaded. | 9 February 2018 08:14 CET | Original file | https://www.mdpi.com/2075-4701/8/2/120/xml |
| article pdf uploaded. | 9 February 2018 08:14 CET | Version of Record | https://www.mdpi.com/2075-4701/8/2/120/pdf |
