function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong, Shane T. & Taylor, Joanne & Mccallum, Anna W.', 13],
    ['Baba, Keiji', 3],
    ['Baba, Keiji & Macpherson, Enrique & Poore, Gary C. B.', 17],
    ['Cabezas, P. E.', 40],
    ['Cabezas, Patricia & Macpherson, Enrique', 4],
    ['Cabezas, Patricia & Macpherson, Enrique & Machordom, Annie', 14],
    ['Hryniewicz, Krzysztof & Amano, Kazutaka', 4],
    ['Komai, Tomoyuki & Tsuchida, Shinji & Fujiwara, Yoshihiro', 4],
    ['Macpherson, E. & Machordom, A.', 3],
    ['Macpherson, Enrique & Baba, Keiji', 18],
    ['Macpherson, Enrique & Rodriguez-Flores, Paula C.', 9],
    ['Macpherson, Enrique & Rodríguez-Flores, Paula C.', 28],
    ['Osawa, Masayuki', 3],
    ['Tiwari, Shivam & Padate, Vinay P. & Cubelio, Sherine Sonia', 5],
    ['Vazquez-Bader, Ana Rosa & Gracia, Adolfo', 9],
    ['Other (16)', 22]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=196)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);