function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Benjamin Ramassamy', 2],
    ['Bianucci, Giovanni & Lambert, Olivier & Post, Klaas', 20],
    ['Bianucci, Giovanni & Miján, Ismael & Lambert, Olivier', 1],
    ['Gray, J. E.', 1],
    ['Günther, Albert Charles Lewis Gotthilf', 1],
    ['Hernández-Orts, Jesús S. & Viola, M. Natalia Paso', 1],
    ['James G. Mead & Robert L. Brownell, Jr.', 26],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 25],
    ['Jo, Yeong-Seok & Baccus, John T. & Koprowski, John L.', 2],
    ['Lambert O.', 1],
    ['Russell A. Mittermeier & Don E. Wilson', 3],
    ['Rüppell, Wilhem Peter Eduard Simon', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 30]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=114)',
    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);