function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chagas-Jr, Amazonas & Bichuette, Maria Elina', 1],
    ['Decker, Peter & Reip, Hans Simon & Voigtlaender, Karin', 2],
    ['Dyachkov, Yurii V. & Farzalieva, Gyulli Sh. & Tuf, Ivan H.', 8],
    ['Edgecombe, Gregory D.', 16],
    ['Edgecombe, Gregory D. & Giribet, Gonzalo', 3],
    ['Edgecombe, Gregory D. & Hollington, And Lauren M.', 3],
    ['Enghoff, Henrik & Akkari, Nesrine & Pedersen, Jan', 5],
    ['Hollington, L. M. & Edgecombe, G. D.', 10],
    ['Ma, Huiqin & Pei, Sujian & Hou, Xiaojie & Zhu, Tiegang', 6],
    ['Penghai Qiao & Wen Qin & Huiqin Ma & Tongzuo Zhang', 2],
    ['Pugh, P. J. A.', 7],
    ['Shear, William A.', 29],
    ['Song, Hui-Qin Ma Da-Xiang & Zhu, Ming-Sheng', 3],
    ['Thofern, Detlef & Dupérré, Nadine & Harms, Danilo', 2],
    ['Tran, Binh T. T. & Le, Son X. & Nguyen, Anh D.', 3],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=104)',
    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);