function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A. W', 18],
    ['Bright, Donald E.', 112],
    ['Divakar, Pradeep K. & Crespo, Ana & Núñez-Zapata, Jano', 30],
    ['Elvebakk, A. & Bjerke, J. W. & Støvern, L. E.', 61],
    ['Jarvis, Charlie', 22],
    ['Kistenich, Sonja & Bendiksby, Mika & Vairappan, Charles S.', 28],
    ['Marcano, Vicente & Méndez, Antonio Morales', 71],
    ['McMullin, Richard Troy & Simon, Andrew D. F. & Brodo, Irwin M.', 108],
    ['Mongkolsuk, Pachara & Meesim, Sanya & Poengsungnoen, Vasun', 23],
    ['R, Jeanne dos & Silva, eis & Aptroot, André & E, Marcela', 288],
    ['Ramírez-Roncallo, Kevin & Gómez-Ramírez, Hugo', 17],
    ['Sokoloff, Paul C. & Freebury, Colin E. & Hamilton, Paul B.', 18],
    ['Stepanova, Dace & Moisejevs, Rolands & Nitcis, Ma ris', 55],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 82],
    ['Yánez-Ayabaca, A. & Ahti, T. & Bungartz, F.', 25],
    ['Other (134)', 476]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1434)',
    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);