https://www.phcog.net/journals/pc weekly 0.9 https://www.phcog.net/journals/pc/about monthly 0.5 https://www.phcog.net/journals/pc/archive monthly 0.7 https://www.phcog.net/journals/pc/contents weekly 0.7 https://www.phcog.net/journals/pc/editorial-board monthly 0.5 https://www.phcog.net/journals/pc/in-press weekly 0.6