function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Colless, D. H.', 32],
    ['Dear, James P.', 31],
    ['Evenhuis, Neal L. & O’Hara, James E. & Pape, Thomas', 17],
    ['Kurahashi, Hiromu & Kirk-Spriggs, Ashley H.', 28],
    ['Negaresh, Kazem', 34],
    ['Pont, Adrian C.', 14],
    ['Robineau-Desvoidy, André Jean Baptiste Dr.', 47],
    ['Rognes, Knut', 103],
    ['Rognes, Terry Whitworth With An Appendix By Knut', 15],
    ['Schlüsslmayr, Gerhard', 17],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 27],
    ['Whitworth, Terry', 67],
    ['Whitworth, Terry L. & Yusseff-Vanegas, Sohath', 66],
    ['Wolff, Marta & Kosmann, Cecilia', 63],
    ['Yang, Shih-Tsai & Kurahashi, Hiromu & Shiao, Shiuh-Feng', 53],
    ['Other (56)', 144]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=758)',
    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);