function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong, Shane T. & Poore, Gary C. B.', 3],
    ['Arnes-Urgelles, Camila & Buglass, Salome & Ahyong, Shane T.', 1],
    ['Baba, Keiji', 2],
    ['Baba, Keiji & Lin, Chia-Wei', 1],
    ['Baba, Keiji & Macpherson, Enrique & Poore, Gary C. B.', 16],
    ['Baba, Keiji & Wicksten, Mary K.', 2],
    ['Castro, Peter', 2],
    ['De Matos-Pita, Susana S. & Ramil, Fran', 1],
    ['Kilgour, Morgan J. & Shirley, Thomas C.', 1],
    ['Komai, Tomoyuki & Chakraborty, Rekha Devi', 1],
    ['Komai, Tomoyuki & Tsuchida, Shinji', 1],
    ['Komai, Tomoyuki & Tsuchida, Shinji & Fujiwara, Yoshihiro', 2],
    ['Macpherson, Enrique', 1],
    ['Macpherson, Enrique & Rodríguez-Flores, Paula C.', 8],
    ['Tavares, Marcos & Lima, Daniel', 3],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=48)',
    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);