| article html file updated | 8 February 2020 21:35 CET | Update | https://www.mdpi.com/2310-2861/3/4/44 |
| article html file updated | 28 September 2019 14:04 CEST | Update | N/A |
| article html file updated | 2 May 2019 14:06 CEST | Update | N/A |
| article html file updated | 18 April 2019 11:46 CEST | Update | N/A |
| article pdf uploaded. | 4 January 2019 04:13 CET | Updated version of record | https://www.mdpi.com/2310-2861/3/4/44/pdf |
| article html file updated | 21 November 2017 10:39 CET | Original file | N/A |
| article xml uploaded. | 21 November 2017 10:38 CET | Update | https://www.mdpi.com/2310-2861/3/4/44/xml |
| article xml uploaded. | 21 November 2017 10:38 CET | Original file | N/A |
| article pdf uploaded. | 18 November 2017 10:56 CET | Version of Record | https://www.mdpi.com/2310-2861/3/4/44/pdf-vor |
