function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong, Shane T. & Poore, Gary C. B.', 6],
    ['Baba, Keiji', 1],
    ['Baba, Keiji & Ahyong, Shane T. & Schnabel, Kareen E.', 1],
    ['Baba, Keiji & Macpherson, Enrique & Poore, Gary C. B.', 10],
    ['Castro, Peter', 1],
    ['Caullery, Maurice', 1],
    ['Hendrickx, Michel E.', 1],
    ['Kilgour, Morgan J. & Shirley, Thomas C.', 2],
    ['Mccallum, Anna W. & Poore, Gary C. B.', 3],
    ['Schnabel, Kareen E.', 1],
    ['Tiwari, Shivam & Padate, Vinay P. & Cubelio, Sherine Sonia', 1],
    ['Vazquez-Bader, Ana Rosa & Gracia, Adolfo', 2],
    ['Wicksten, Mary K.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);