function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alcock, Alfred William', 1],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 2],
    ['Bañon, Rafael & Arronte, Juan Carlos', 2],
    ['Bañón, Rafael & Arronte, Juan Carlos & Armesto, Ángeles', 7],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 13],
    ['Datovo, Aléssio & Vari, Richard P.', 2],
    ['De Filippi, F. & Vérany, G. B.', 2],
    ['Gerdes, Klaas & Kihara, Terue Cristina & Martinez Arbizu, Pedro', 3],
    ['Golani, Daniel', 2],
    ['Goode, G. B. & Bean, T. H.', 3],
    ['Goren, Menachem & Galil, Bella S.', 2],
    ['Günther, Albert Charles Lewis Gotthilf', 3],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 2],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 4],
    ['Vaillant, L. L.', 2],
    ['Other (19)', 19]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=69)',
    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);