function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['ASHER, ROBERT J.', 1],
    ['Amori, Giovanni & Segniagbeto, Gabriel Hoinsoude & Decher, Jan', 1],
    ['Augugliaro, Claudio & Paniccia, Chiara', 1],
    ['Balete, Danilo S. & Heaney, Lawrence R. & Rickart, Eric A.', 3],
    ['Bown, Thomas M.', 1],
    ['Erxleben, J. C. P.', 1],
    ['Gagnaison, Cyril & Mennecart, Bastien & Bailleul, Julien', 1],
    ['Jo, Yeong-Seok & Baccus, John T. & Koprowski, John L.', 3],
    ['Linnaeus, Carolus', 2],
    ['Masini, Federico & Savorelli, Andrea & Borrani, Antonio', 1],
    ['Russell A. Mittermeier & Don E. Wilson', 32],
    ['Sen, Sevket', 2],
    ['Turni, Hendrik & Hutterer, Rainer & Asher, Robert', 9],
    ['Wilson, Don E. & Reeder, DeeAnn', 57],
    ['Zimmermann, E. A. W.', 2],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=124)',
    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);