| article html file updated | 8 February 2020 00:50 CET | Update | https://www.mdpi.com/2306-5354/4/1/19 |
| article html file updated | 23 September 2019 16:16 CEST | Update | N/A |
| article html file updated | 4 May 2019 08:06 CEST | Update | N/A |
| article html file updated | 29 March 2017 06:10 CEST | Update | N/A |
| article html file updated | 6 March 2017 09:22 CET | Original file | N/A |
| article xml uploaded. | 6 March 2017 09:21 CET | Original file | https://www.mdpi.com/2306-5354/4/1/19/xml |
| article pdf uploaded. | 6 March 2017 09:21 CET | Version of Record | https://www.mdpi.com/2306-5354/4/1/19/pdf |
