| article html file updated | 9 February 2020 11:31 CET | Update | https://www.mdpi.com/2304-6775/6/2/13 |
| article html file updated | 2 October 2019 00:54 CEST | Update | - |
| article html file updated | 1 May 2019 08:10 CEST | Update | - |
| article html file updated | 17 April 2019 08:06 CEST | Update | - |
| article html file updated | 29 March 2019 10:24 CET | Update | - |
| article html file updated | 26 June 2018 05:45 CEST | Update | - |
| article html file updated | 27 March 2018 17:14 CEST | Original file | - |
| article xml uploaded. | 27 March 2018 17:12 CEST | Update | https://www.mdpi.com/2304-6775/6/2/13/xml |
| article pdf uploaded. | 27 March 2018 17:12 CEST | Updated version of record | https://www.mdpi.com/2304-6775/6/2/13/pdf |
