function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ashraf, Shazia & Naseer, Arooj & Usman, Muhammad', 2],
    ['Finy, Peter & Jeppson, Mikael & Knapp, Daniel G. & Papp, Viktor', 4],
    ['Forin, Niccolò & Tatti, Alessia & Vizzini, Alfredo', 3],
    ['Ge, Zai-Wei & Jacobs, Adriaana & Vellinga, Else C.', 10],
    ['Hosen, Md. Iqbal & Song, Zong-ping & Gates, Genevieve', 3],
    ['Ivanova, Daria & Morozova, Olga & Pham, Thi Ha Giang', 3],
    ['Jarvis, Charlie', 9],
    ['Jeppson, Mikael & Altes, Alberto & Moreno, Gabriel', 52],
    ['Karunarathna, Samantha C. & Priyashantha, K Hasith', 30],
    ['Li, Jia-Xin & He, Mao-Qiang & Zhao, Rui-Lin', 3],
    ['Tarafder, Entaj & Dutta, Arun Kumar & Karunarathna, Samantha C.', 4],
    ['Vizzini, Alfredo & Tatti, Alessia & Huijser, Henk A.', 3],
    ['Zambrano-Forero, Cristian J & Davila-Giraldo, Lina R', 19],
    ['Zazzali, Sindbad & Crasquin, Sylvie & Deconinck, Jean-François', 3],
    ['de la Fuente, Javier Isaac & García-Jiménez, Jesús', 3],
    ['Other (35)', 44]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=195)',
    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);