| article html file updated | 8 February 2020 05:42 CET | Update | https://www.mdpi.com/2304-6775/5/2/13 |
| article html file updated | 3 May 2019 22:20 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:22 CEST | Update | N/A |
| article html file updated | 23 May 2017 04:07 CEST | Update | N/A |
| article html file updated | 12 May 2017 15:46 CEST | Original file | N/A |
| article xml uploaded. | 12 May 2017 15:45 CEST | Original file | https://www.mdpi.com/2304-6775/5/2/13/xml |
| article pdf uploaded. | 12 May 2017 15:45 CEST | Version of Record | https://www.mdpi.com/2304-6775/5/2/13/pdf |
