| article html file updated | 9 February 2020 03:18 CET | Update | https://www.mdpi.com/2227-7390/6/1/13 |
| article html file updated | 2 May 2019 01:46 CEST | Update | N/A |
| article html file updated | 18 April 2019 00:03 CEST | Update | N/A |
| article html file updated | 28 March 2019 16:07 CET | Update | N/A |
| article html file updated | 1 February 2018 09:26 CET | Update | N/A |
| article html file updated | 17 January 2018 08:09 CET | Update | N/A |
| article xml uploaded. | 17 January 2018 08:08 CET | Update | https://www.mdpi.com/2227-7390/6/1/13/xml |
| article pdf uploaded. | 17 January 2018 08:08 CET | Updated version of record | https://www.mdpi.com/2227-7390/6/1/13/pdf |
| article html file updated | 16 January 2018 17:01 CET | Original file | N/A |
| article xml uploaded. | 16 January 2018 16:59 CET | Original file | N/A |
| article pdf uploaded. | 16 January 2018 16:59 CET | Version of Record | https://www.mdpi.com/2227-7390/6/1/13/pdf-vor |
