| article html file updated | 9 February 2020 08:19 CET | Update | https://www.mdpi.com/2218-6581/7/1/13 |
| article html file updated | 1 October 2019 04:58 CEST | Update | N/A |
| article html file updated | 1 May 2019 14:54 CEST | Update | N/A |
| article html file updated | 17 April 2019 14:29 CEST | Update | N/A |
| article html file updated | 29 March 2019 03:11 CET | Update | N/A |
| article html file updated | 27 March 2018 16:36 CEST | Update | N/A |
| article html file updated | 6 March 2018 09:21 CET | Update | N/A |
| article xml uploaded. | 6 March 2018 09:20 CET | Update | https://www.mdpi.com/2218-6581/7/1/13/xml |
| article pdf uploaded. | 6 March 2018 09:20 CET | Updated version of record | https://www.mdpi.com/2218-6581/7/1/13/pdf |
| article html file updated | 1 March 2018 17:21 CET | Original file | N/A |
| article pdf uploaded. | 1 March 2018 17:20 CET | Version of Record | https://www.mdpi.com/2218-6581/7/1/13/pdf-vor |
