| article html file updated | 9 February 2020 05:53 CET | Update | https://www.mdpi.com/2297-8739/5/1/13 |
| article html file updated | 30 September 2019 14:59 CEST | Update | - |
| article html file updated | 1 May 2019 20:07 CEST | Update | - |
| article html file updated | 17 April 2019 19:12 CEST | Update | - |
| article html file updated | 28 March 2019 21:44 CET | Update | - |
| article html file updated | 27 March 2018 15:14 CEST | Update | - |
| article html file updated | 8 February 2018 04:49 CET | Update | - |
| article html file updated | 8 February 2018 04:49 CET | Original file | - |
| article xml uploaded. | 8 February 2018 04:47 CET | Update | https://www.mdpi.com/2297-8739/5/1/13/xml |
| article xml uploaded. | 8 February 2018 04:47 CET | Update | - |
| article xml uploaded. | 8 February 2018 04:46 CET | Update | - |
| article xml uploaded. | 8 February 2018 04:46 CET | Original file | - |
| article pdf uploaded. | 8 February 2018 04:46 CET | Version of Record | https://www.mdpi.com/2297-8739/5/1/13/pdf |
