function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Benatti, Michel N.', 15],
    ['Bright, Donald E.', 112],
    ['Divakar, Pradeep K. & Crespo, Ana & Núñez-Zapata, Jano', 30],
    ['Elvebakk, A. & Bjerke, J. W. & Støvern, L. E.', 61],
    ['Jarvis, Charlie', 48],
    ['Kistenich, Sonja & Bendiksby, Mika & Vairappan, Charles S.', 28],
    ['Marcano, Vicente & Méndez, Antonio Morales', 71],
    ['McMullin, Richard Troy & Simon, Andrew D. F. & Brodo, Irwin M.', 77],
    ['R, Jeanne dos & Silva, eis & Aptroot, André & E, Marcela', 159],
    ['Silva, Mauricio Pérez & Martínez, Armando Equihua', 17],
    ['Singh, Garima & ptroot, Andre & ico, Victor J. & tte, Juergen', 16],
    ['Stepanova, Dace & Moisejevs, Rolands & Nitcis, Ma ris', 30],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 16],
    ['Yánez-Ayabaca, A. & Ahti, T. & Bungartz, F.', 25],
    ['van den Boom, Pieter P. G. & Clerc, Philippe & Ertz, Damien', 13],
    ['Other (63)', 193]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=911)',
    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);