| article html file updated | 9 February 2020 06:35 CET | Update | https://www.mdpi.com/2075-4701/8/2/131 |
| article html file updated | 30 September 2019 19:05 CEST | Update | - |
| article html file updated | 1 May 2019 18:32 CEST | Update | - |
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| article html file updated | 28 March 2019 23:14 CET | Update | - |
| article html file updated | 14 February 2018 10:20 CET | Update | - |
| article xml uploaded. | 14 February 2018 10:19 CET | Update | https://www.mdpi.com/2075-4701/8/2/131/xml |
| article xml uploaded. | 14 February 2018 10:19 CET | Update | - |
| article pdf uploaded. | 14 February 2018 10:19 CET | Updated version of record | https://www.mdpi.com/2075-4701/8/2/131/pdf |
| article html file updated | 13 February 2018 19:47 CET | Original file | - |
| article xml uploaded. | 13 February 2018 19:45 CET | Update | - |
| article xml uploaded. | 13 February 2018 19:45 CET | Update | - |
| article xml uploaded. | 13 February 2018 19:45 CET | Original file | - |
| article pdf uploaded. | 13 February 2018 19:45 CET | Version of Record | https://www.mdpi.com/2075-4701/8/2/131/pdf-vor |
