function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ai, Min & Zhong, Qiuyi & Scheidegger, Christoph & Wang, Lisong', 4],
    ['Aptroot, André & Souza, Maria Fernanda', 2],
    ['Galanina, Irina A. & Sheard, John W. & Konoreva, Liudmila A.', 1],
    ['Jarvis, Charlie', 1],
    ['Joshi, Yogesh & Upadhyay, Shashi & Chandra, Krishna', 2],
    ['Jung, Patrick & Werner, Lina & Briegel-Williams, Laura', 2],
    ['Kalb, Klaus & Giralt, Mireia', 6],
    ['Lee, Beeyoung Gun & Hur, Jae-Seoun', 2],
    ['Niazi, Abdul Rehman & Afshan, Najam-ul-Sehar & Naseer, Arooj', 2],
    ['R, Jeanne dos & Silva, eis & Aptroot, André & E, Marcela', 56],
    ['Ramírez-Roncallo, Kevin & Gómez-Ramírez, Hugo', 12],
    ['Sokoloff, Paul C. & Freebury, Colin E. & Hamilton, Paul B.', 2],
    ['Stepanova, Dace & Moisejevs, Rolands & Nitcis, Ma ris', 19],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 3],
    ['Zhong, Qiuyi & Zhang, Yanyun & Wang, Xinyu & Timdal, Einar', 2],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=117)',
    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);