| article html file updated | 8 February 2020 00:59 CET | Update | https://www.mdpi.com/2673-351X/2/1/3 |
| article html file updated | 23 September 2019 17:10 CEST | Update | N/A |
| article html file updated | 4 May 2019 07:44 CEST | Update | N/A |
| article html file updated | 8 March 2017 08:56 CET | Original file | N/A |
| article xml uploaded. | 8 March 2017 08:55 CET | Original file | https://www.mdpi.com/2673-351X/2/1/3/xml |
| article pdf uploaded. | 8 March 2017 08:55 CET | Version of Record | https://www.mdpi.com/2673-351X/2/1/3/pdf |
