function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Araújo, Diogo & Alves, Marccus', 2],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 2],
    ['Diels, Friedrich Ludwig Emil', 2],
    ['Feliz, Pablo Fernando & Fernandes, Thiago & Joffily, Ana', 2],
    ['Jacques, Frédéric M. B.', 56],
    ['Jacques, Frédéric M. B. & Yu-Sheng Liu, Christopher', 4],
    ['Jarvis, Charlie', 14],
    ['Krassilov, Valentin A. & Golovneva, Lena B.', 2],
    ['Lee, Jong-Won & Yun, Ho-Geun & Hwang, Tae Young & Kim, Kyungmin', 2],
    ['Linnaeus, Carolus', 7],
    ['Monteiro, Francisca & Costa, Esperança Da & Kissanga, Raquel', 3],
    ['Ortiz, Rosa del C.', 10],
    ['Sousa, Julio Dos Santos De & Gurgel, Ely Simone Cajueiro', 2],
    ['Turner, I. M.', 5],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 6],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=129)',
    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);