function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong, Shane T.', 34],
    ['Ahyong, Shane T. & Poore, Gary C. B.', 40],
    ['Baba, Keiji & Macpherson, Enrique & Poore, Gary C. B.', 329],
    ['Dong, Chao & Li, Xinzheng', 23],
    ['Guzman, Guillermo L. & Sellanes, Javier', 12],
    ['Kilgour, Morgan J. & Shirley, Thomas C.', 70],
    ['Macpherson, Enrique', 15],
    ['Macpherson, Enrique & Robainas-Barcia, Aymee', 156],
    ['Macpherson, Enrique & Segonzac, Michel', 22],
    ['Martin, Joel W. & Haney, Todd A.', 18],
    ['Poore, Gary C. B. & Andreakis, Nikos', 18],
    ['Published, First', 77],
    ['Rodríguez-Flores, Paula C. & Macpherson, Enrique', 76],
    ['Schnabel, Kareen E. & Ahyong, Shane T.', 13],
    ['Wicksten, Mary K.', 14],
    ['Other (65)', 200]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1117)',
    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);