| article html file updated | 7 February 2020 23:03 CET | Update | https://www.mdpi.com/2073-4360/9/2/58 |
| article html file updated | 23 September 2019 06:10 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:53 CEST | Update | N/A |
| article html file updated | 20 March 2019 06:37 CET | Update | N/A |
| article html file updated | 1 March 2017 11:14 CET | Update | N/A |
| article html file updated | 13 February 2017 10:54 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 10:53 CET | Original file | https://www.mdpi.com/2073-4360/9/2/58/xml |
| article pdf uploaded. | 13 February 2017 10:53 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/2/58/pdf |
| article pdf uploaded. | 10 February 2017 10:39 CET | Version of Record | https://www.mdpi.com/2073-4360/9/2/58/pdf-vor |
