| article html file updated | 8 February 2020 08:01 CET | Update | https://www.mdpi.com/2310-2861/3/2/23 |
| article html file updated | 25 September 2019 07:01 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:57 CEST | Update | N/A |
| article html file updated | 12 June 2017 08:34 CEST | Update | N/A |
| article xml uploaded. | 12 June 2017 08:32 CEST | Update | https://www.mdpi.com/2310-2861/3/2/23/xml |
| article pdf uploaded. | 12 June 2017 08:32 CEST | Updated version of record | https://www.mdpi.com/2310-2861/3/2/23/pdf |
| article html file updated | 10 June 2017 15:02 CEST | Original file | N/A |
| article pdf uploaded. | 10 June 2017 15:00 CEST | Version of Record | https://www.mdpi.com/2310-2861/3/2/23/pdf-vor |
